Deleted vendor folder

19 files changed, 0 insertions, 4774 deletions

diff --git a/vendor/addr2line/.cargo-checksum.json b/vendor/addr2line/.cargo-checksum.json
deleted file mode 100644
index 5b12782..0000000
--- a/vendor/addr2line/.cargo-checksum.json
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/vendor/addr2line/CHANGELOG.md b/vendor/addr2line/CHANGELOG.md
deleted file mode 100644
index 8754c71..0000000
--- a/vendor/addr2line/CHANGELOG.md
+++ /dev/null
@@ -1,336 +0,0 @@
-# `addr2line` Change Log
-
---------------------------------------------------------------------------------
-
-## 0.21.0 (2023/08/12)
-
-### Breaking changes
-
-* Updated `gimli`, `object`, and `fallible-iterator` dependencies.
-
-### Changed
-
-* The minimum supported rust version is 1.65.0.
-
-* Store boxed slices instead of `Vec` objects in `Context`.
-  [#278](https://github.com/gimli-rs/addr2line/pull/278)
-
---------------------------------------------------------------------------------
-
-## 0.20.0 (2023/04/15)
-
-### Breaking changes
-
-* The minimum supported rust version is 1.58.0.
-
-* Changed `Context::find_frames` to return `LookupResult`.
-  Use `LookupResult::skip_all_loads` to obtain the result without loading split DWARF.
-  [#260](https://github.com/gimli-rs/addr2line/pull/260)
-
-* Replaced `Context::find_dwarf_unit` with `Context::find_dwarf_and_unit`.
-  [#260](https://github.com/gimli-rs/addr2line/pull/260)
-
-* Updated `object` dependency.
-
-### Changed
-
-* Fix handling of file index 0 for DWARF 5.
-  [#264](https://github.com/gimli-rs/addr2line/pull/264)
-
-### Added
-
-* Added types and methods to support loading split DWARF:
-  `LookupResult`, `SplitDwarfLoad`, `SplitDwarfLoader`, `Context::preload_units`.
-  [#260](https://github.com/gimli-rs/addr2line/pull/260)
-  [#262](https://github.com/gimli-rs/addr2line/pull/262)
-  [#263](https://github.com/gimli-rs/addr2line/pull/263)
-
---------------------------------------------------------------------------------
-
-## 0.19.0 (2022/11/24)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
---------------------------------------------------------------------------------
-
-## 0.18.0 (2022/07/16)
-
-### Breaking changes
-
-* Updated `object` dependency.
-
-### Changed
-
-* Fixed handling of relative path for `DW_AT_comp_dir`.
-  [#239](https://github.com/gimli-rs/addr2line/pull/239)
-
-* Fixed handling of `DW_FORM_addrx` for DWARF 5 support.
-  [#243](https://github.com/gimli-rs/addr2line/pull/243)
-
-* Fixed handling of units that are missing range information.
-  [#249](https://github.com/gimli-rs/addr2line/pull/249)
-
---------------------------------------------------------------------------------
-
-## 0.17.0 (2021/10/24)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
-### Changed
-
-* Use `skip_attributes` to improve performance.
-  [#236](https://github.com/gimli-rs/addr2line/pull/236)
-
---------------------------------------------------------------------------------
-
-## 0.16.0 (2021/07/26)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
---------------------------------------------------------------------------------
-
-## 0.15.2 (2021/06/04)
-
-### Fixed
-
-* Allow `Context` to be `Send`.
-  [#219](https://github.com/gimli-rs/addr2line/pull/219)
-
---------------------------------------------------------------------------------
-
-## 0.15.1 (2021/05/02)
-
-### Fixed
-
-* Don't ignore aranges with address 0.
-  [#217](https://github.com/gimli-rs/addr2line/pull/217)
-
---------------------------------------------------------------------------------
-
-## 0.15.0 (2021/05/02)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-  [#215](https://github.com/gimli-rs/addr2line/pull/215)
-
-* Added `debug_aranges` parameter to `Context::from_sections`.
-  [#200](https://github.com/gimli-rs/addr2line/pull/200)
-
-### Added
-
-* Added `.debug_aranges` support.
-  [#200](https://github.com/gimli-rs/addr2line/pull/200)
-
-* Added supplementary object file support.
-  [#208](https://github.com/gimli-rs/addr2line/pull/208)
-
-### Fixed
-
-* Fixed handling of Windows paths in locations.
-  [#209](https://github.com/gimli-rs/addr2line/pull/209)
-
-* examples/addr2line: Flush stdout after each response.
-  [#210](https://github.com/gimli-rs/addr2line/pull/210)
-
-* examples/addr2line: Avoid copying every section.
-  [#213](https://github.com/gimli-rs/addr2line/pull/213)
-
---------------------------------------------------------------------------------
-
-## 0.14.1 (2020/12/31)
-
-### Fixed
-
-* Fix location lookup for skeleton units.
-  [#201](https://github.com/gimli-rs/addr2line/pull/201)
-
-### Added
-
-* Added `Context::find_location_range`.
-  [#196](https://github.com/gimli-rs/addr2line/pull/196)
-  [#199](https://github.com/gimli-rs/addr2line/pull/199)
-
---------------------------------------------------------------------------------
-
-## 0.14.0 (2020/10/27)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
-### Fixed
-
-* Handle units that only have line information.
-  [#188](https://github.com/gimli-rs/addr2line/pull/188)
-
-* Handle DWARF units with version <= 4 and no `DW_AT_name`.
-  [#191](https://github.com/gimli-rs/addr2line/pull/191)
-
-* Fix handling of `DW_FORM_ref_addr`.
-  [#193](https://github.com/gimli-rs/addr2line/pull/193)
-
---------------------------------------------------------------------------------
-
-## 0.13.0 (2020/07/07)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
-* Added `rustc-dep-of-std` feature.
-  [#166](https://github.com/gimli-rs/addr2line/pull/166)
-
-### Changed
-
-* Improve performance by parsing function contents lazily.
-  [#178](https://github.com/gimli-rs/addr2line/pull/178)
-
-* Don't skip `.debug_info` and `.debug_line` entries with a zero address.
-  [#182](https://github.com/gimli-rs/addr2line/pull/182)
-
---------------------------------------------------------------------------------
-
-## 0.12.2 (2020/06/21)
-
-### Fixed
-
-* Avoid linear search for `DW_FORM_ref_addr`.
-  [#175](https://github.com/gimli-rs/addr2line/pull/175)
-
---------------------------------------------------------------------------------
-
-## 0.12.1 (2020/05/19)
-
-### Fixed
-
-* Handle units with overlapping address ranges.
-  [#163](https://github.com/gimli-rs/addr2line/pull/163)
-
-* Don't assert for functions with overlapping address ranges.
-  [#168](https://github.com/gimli-rs/addr2line/pull/168)
-
---------------------------------------------------------------------------------
-
-## 0.12.0 (2020/05/12)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
-* Added more optional features: `smallvec` and `fallible-iterator`.
-  [#160](https://github.com/gimli-rs/addr2line/pull/160)
-
-### Added
-
-*  Added `Context::dwarf` and `Context::find_dwarf_unit`.
-  [#159](https://github.com/gimli-rs/addr2line/pull/159)
-
-### Changed
-
-* Removed `lazycell` dependency.
-  [#160](https://github.com/gimli-rs/addr2line/pull/160)
-
---------------------------------------------------------------------------------
-
-## 0.11.0 (2020/01/11)
-
-### Breaking changes
-
-* Updated `gimli` and `object` dependencies.
-
-* [#130](https://github.com/gimli-rs/addr2line/pull/130)
-  Changed `Location::file` from `Option<String>` to `Option<&str>`.
-  This required adding lifetime parameters to `Location` and other structs that
-  contain it.
-
-* [#152](https://github.com/gimli-rs/addr2line/pull/152)
-  Changed `Location::line` and `Location::column` from `Option<u64>`to `Option<u32>`.
-
-* [#156](https://github.com/gimli-rs/addr2line/pull/156)
-  Deleted `alloc` feature, and fixed `no-std` builds with stable rust.
-  Removed default `Reader` parameter for `Context`, and added `ObjectContext` instead.
-
-### Added
-
-* [#134](https://github.com/gimli-rs/addr2line/pull/134)
-  Added `Context::from_dwarf`.
-
-### Changed
-
-* [#133](https://github.com/gimli-rs/addr2line/pull/133)
-  Fixed handling of units that can't be parsed.
-
-* [#155](https://github.com/gimli-rs/addr2line/pull/155)
-  Fixed `addr2line` output to match binutils.
-
-* [#130](https://github.com/gimli-rs/addr2line/pull/130)
-  Improved `.debug_line` parsing performance.
-
-* [#148](https://github.com/gimli-rs/addr2line/pull/148)
-  [#150](https://github.com/gimli-rs/addr2line/pull/150)
-  [#151](https://github.com/gimli-rs/addr2line/pull/151)
-  [#152](https://github.com/gimli-rs/addr2line/pull/152)
-  Improved `.debug_info` parsing performance.
-
-* [#137](https://github.com/gimli-rs/addr2line/pull/137)
-  [#138](https://github.com/gimli-rs/addr2line/pull/138)
-  [#139](https://github.com/gimli-rs/addr2line/pull/139)
-  [#140](https://github.com/gimli-rs/addr2line/pull/140)
-  [#146](https://github.com/gimli-rs/addr2line/pull/146)
-  Improved benchmarks.
-
---------------------------------------------------------------------------------
-
-## 0.10.0 (2019/07/07)
-
-### Breaking changes
-
-* [#127](https://github.com/gimli-rs/addr2line/pull/127)
-  Update `gimli`.
-
---------------------------------------------------------------------------------
-
-## 0.9.0 (2019/05/02)
-
-### Breaking changes
-
-* [#121](https://github.com/gimli-rs/addr2line/pull/121)
-  Update `gimli`, `object`, and `fallible-iterator` dependencies.
-
-### Added
-
-* [#121](https://github.com/gimli-rs/addr2line/pull/121)
-  Reexport `gimli`, `object`, and `fallible-iterator`.
-
---------------------------------------------------------------------------------
-
-## 0.8.0 (2019/02/06)
-
-### Breaking changes
-
-* [#107](https://github.com/gimli-rs/addr2line/pull/107)
-  Update `object` dependency to 0.11. This is part of the public API.
-
-### Added
-
-* [#101](https://github.com/gimli-rs/addr2line/pull/101)
-  Add `object` feature (enabled by default). Disable this feature to remove
-  the `object` dependency and `Context::new` API.
-
-* [#102](https://github.com/gimli-rs/addr2line/pull/102)
-  Add `std` (enabled by default) and `alloc` features.
-
-### Changed
-
-* [#108](https://github.com/gimli-rs/addr2line/issues/108)
-  `demangle` no longer outputs the hash for rust symbols.
-
-* [#109](https://github.com/gimli-rs/addr2line/issues/109)
-  Set default `R` for `Context<R>`.
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deleted file mode 100644
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deleted file mode 100644
index b6b6b83..0000000
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deleted file mode 100644
index 16fe87b..0000000
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+++ /dev/null
@@ -1,201 +0,0 @@
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diff --git a/vendor/addr2line/LICENSE-MIT b/vendor/addr2line/LICENSE-MIT
deleted file mode 100644
index 3a03f1f..0000000
--- a/vendor/addr2line/LICENSE-MIT
+++ /dev/null
@@ -1,25 +0,0 @@
-Copyright (c) 2016-2018 The gimli Developers
-
-Permission is hereby granted, free of charge, to any
-person obtaining a copy of this software and associated
-documentation files (the "Software"), to deal in the
-Software without restriction, including without
-limitation the rights to use, copy, modify, merge,
-publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software
-is furnished to do so, subject to the following
-conditions:
-
-The above copyright notice and this permission notice
-shall be included in all copies or substantial portions
-of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
-ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
-TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
-SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
diff --git a/vendor/addr2line/README.md b/vendor/addr2line/README.md
deleted file mode 100644
index dc6cb93..0000000
--- a/vendor/addr2line/README.md
+++ /dev/null
@@ -1,48 +0,0 @@
-# addr2line
-
-[![](https://img.shields.io/crates/v/addr2line.svg)](https://crates.io/crates/addr2line)
-[![](https://img.shields.io/docsrs/addr2line.svg)](https://docs.rs/addr2line)
-[![Coverage Status](https://coveralls.io/repos/github/gimli-rs/addr2line/badge.svg?branch=master)](https://coveralls.io/github/gimli-rs/addr2line?branch=master)
-
-A cross-platform library for retrieving per-address debug information
-from files with DWARF debug information.
-
-`addr2line` uses [`gimli`](https://github.com/gimli-rs/gimli) to parse
-the debug information, and exposes an interface for finding
-the source file, line number, and wrapping function for instruction
-addresses within the target program. These lookups can either be
-performed programmatically through `Context::find_location` and
-`Context::find_frames`, or via the included example binary,
-`addr2line` (named and modelled after the equivalent utility from
-[GNU binutils](https://sourceware.org/binutils/docs/binutils/addr2line.html)).
-
-# Quickstart
- - Add the [`addr2line` crate](https://crates.io/crates/addr2line) to your `Cargo.toml`
- - Load the file and parse it with [`addr2line::object::read::File::parse`](https://docs.rs/object/*/object/read/struct.File.html#method.parse)
- - Pass the parsed file to [`addr2line::Context::new` ](https://docs.rs/addr2line/*/addr2line/struct.Context.html#method.new)
- - Use [`addr2line::Context::find_location`](https://docs.rs/addr2line/*/addr2line/struct.Context.html#method.find_location)
-   or [`addr2line::Context::find_frames`](https://docs.rs/addr2line/*/addr2line/struct.Context.html#method.find_frames)
-   to look up debug information for an address
-
-# Performance
-
-`addr2line` optimizes for speed over memory by caching parsed information.
-The DWARF information is parsed lazily where possible.
-
-The library aims to perform similarly to equivalent existing tools such
-as `addr2line` from binutils, `eu-addr2line` from elfutils, and
-`llvm-symbolize` from the llvm project, and in the past some benchmarking
-was done that indicates a comparable performance.
-
-## License
-
-Licensed under either of
-
-  * Apache License, Version 2.0 ([`LICENSE-APACHE`](./LICENSE-APACHE) or https://www.apache.org/licenses/LICENSE-2.0)
-  * MIT license ([`LICENSE-MIT`](./LICENSE-MIT) or https://opensource.org/licenses/MIT)
-
-at your option.
-
-Unless you explicitly state otherwise, any contribution intentionally submitted
-for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
-dual licensed as above, without any additional terms or conditions.
diff --git a/vendor/addr2line/bench.plot.r b/vendor/addr2line/bench.plot.r
deleted file mode 100644
index ecbf248..0000000
--- a/vendor/addr2line/bench.plot.r
+++ /dev/null
@@ -1,23 +0,0 @@
-v <- read.table(file("stdin"))
-t <- data.frame(prog=v[,1], funcs=(v[,2]=="func"), time=v[,3], mem=v[,4], stringsAsFactors=FALSE)
-
-t$prog <- as.character(t$prog)
-t$prog[t$prog == "master"] <- "gimli-rs/addr2line"
-t$funcs[t$funcs == TRUE] <- "With functions"
-t$funcs[t$funcs == FALSE] <- "File/line only"
-t$mem = t$mem / 1024.0
-
-library(ggplot2)
-p <- ggplot(data=t, aes(x=prog, y=time, fill=prog))
-p <- p + geom_bar(stat = "identity")
-p <- p + facet_wrap(~ funcs)
-p <- p + theme(axis.title.x=element_blank(), axis.text.x=element_blank(), axis.ticks.x=element_blank())
-p <- p + ylab("time (s)") + ggtitle("addr2line runtime")
-ggsave('time.png',plot=p,width=10,height=6)
-
-p <- ggplot(data=t, aes(x=prog, y=mem, fill=prog))
-p <- p + geom_bar(stat = "identity")
-p <- p + facet_wrap(~ funcs)
-p <- p + theme(axis.title.x=element_blank(), axis.text.x=element_blank(), axis.ticks.x=element_blank())
-p <- p + ylab("memory (kB)") + ggtitle("addr2line memory usage")
-ggsave('memory.png',plot=p,width=10,height=6)
diff --git a/vendor/addr2line/benchmark.sh b/vendor/addr2line/benchmark.sh
deleted file mode 100755
index ca4c4f6..0000000
--- a/vendor/addr2line/benchmark.sh
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/bin/bash
-if [[ $# -le 1 ]]; then
-	echo "Usage: $0 <executable> [<addresses>] REFS..."
-	exit 1
-fi
-target="$1"
-shift
-
-addresses=""
-if [[ -e "$1" ]]; then
-	addresses="$1"
-	shift
-fi
-
-# path to "us"
-# readlink -f, but more portable:
-dirname=$(perl -e 'use Cwd "abs_path";print abs_path(shift)' "$(dirname "$0")")
-
-# https://stackoverflow.com/a/2358432/472927
-{
-	# compile all refs
-	pushd "$dirname" > /dev/null
-	# if the user has some local changes, preserve them
-	nstashed=$(git stash list | wc -l)
-	echo "==> Stashing any local modifications"
-	git stash --keep-index > /dev/null
-	popstash() {
-		# https://stackoverflow.com/q/24520791/472927
-		if [[ "$(git stash list | wc -l)" -ne "$nstashed" ]]; then
-			echo "==> Restoring stashed state"
-			git stash pop > /dev/null
-		fi
-	}
-	# if the user has added stuff to the index, abort
-	if ! git diff-index --quiet HEAD --; then
-		echo "Refusing to overwrite outstanding git changes"
-		popstash
-		exit 2
-	fi
-	current=$(git symbolic-ref --short HEAD)
-	for ref in "$@"; do
-		echo "==> Compiling $ref"
-		git checkout -q "$ref"
-		commit=$(git rev-parse HEAD)
-		fn="target/release/addr2line-$commit"
-		if [[ ! -e "$fn" ]]; then
-			cargo build --release --example addr2line
-			cp target/release/examples/addr2line "$fn"
-		fi
-		if [[ "$ref" != "$commit" ]]; then
-			ln -sfn "addr2line-$commit" target/release/addr2line-"$ref"
-		fi
-	done
-	git checkout -q "$current"
-	popstash
-	popd > /dev/null
-
-	# get us some addresses to look up
-	if [[ -z "$addresses" ]]; then
-		echo "==> Looking for benchmarking addresses (this may take a while)"
-		addresses=$(mktemp tmp.XXXXXXXXXX)
-		objdump -C -x --disassemble -l "$target" \
-			| grep -P '0[048]:' \
-			| awk '{print $1}' \
-			| sed 's/:$//' \
-			> "$addresses"
-		echo "  -> Addresses stored in $addresses; you should re-use it next time"
-	fi
-
-	run() {
-		func="$1"
-		name="$2"
-		cmd="$3"
-		args="$4"
-		printf "%s\t%s\t" "$name" "$func"
-		if [[ "$cmd" =~ llvm-symbolizer ]]; then
-			/usr/bin/time -f '%e\t%M' "$cmd" $args -obj="$target" < "$addresses" 2>&1 >/dev/null
-		else
-			/usr/bin/time -f '%e\t%M' "$cmd" $args -e "$target" < "$addresses" 2>&1 >/dev/null
-		fi
-	}
-
-	# run without functions
-	log1=$(mktemp tmp.XXXXXXXXXX)
-	echo "==> Benchmarking"
-	run nofunc binutils addr2line >> "$log1"
-	#run nofunc elfutils eu-addr2line >> "$log1"
-	run nofunc llvm-sym llvm-symbolizer -functions=none >> "$log1"
-	for ref in "$@"; do
-		run nofunc "$ref" "$dirname/target/release/addr2line-$ref" >> "$log1"
-	done
-	cat "$log1" | column -t
-
-	# run with functions
-	log2=$(mktemp tmp.XXXXXXXXXX)
-	echo "==> Benchmarking with -f"
-	run func binutils addr2line "-f -i" >> "$log2"
-	#run func elfutils eu-addr2line "-f -i"  >> "$log2"
-	run func llvm-sym llvm-symbolizer "-functions=linkage -demangle=0" >> "$log2"
-	for ref in "$@"; do
-		run func "$ref" "$dirname/target/release/addr2line-$ref" "-f -i" >> "$log2"
-	done
-	cat "$log2" | column -t
-	cat "$log2" >> "$log1"; rm "$log2"
-
-	echo "==> Plotting"
-	Rscript --no-readline --no-restore --no-save "$dirname/bench.plot.r" < "$log1"
-
-	echo "==> Cleaning up"
-	rm "$log1"
-	exit 0
-}
diff --git a/vendor/addr2line/coverage.sh b/vendor/addr2line/coverage.sh
deleted file mode 100644
index 892c0b7..0000000
--- a/vendor/addr2line/coverage.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-# Run tarpaulin and pycobertura to generate coverage.html.
-
-cargo tarpaulin --skip-clean --out Xml
-pycobertura show --format html --output coverage.html cobertura.xml
diff --git a/vendor/addr2line/examples/addr2line.rs b/vendor/addr2line/examples/addr2line.rs
deleted file mode 100644
index 97fc802..0000000
--- a/vendor/addr2line/examples/addr2line.rs
+++ /dev/null
@@ -1,317 +0,0 @@
-use std::borrow::Cow;
-use std::fs::File;
-use std::io::{BufRead, Lines, StdinLock, Write};
-use std::path::{Path, PathBuf};
-
-use clap::{Arg, ArgAction, Command};
-use fallible_iterator::FallibleIterator;
-use object::{Object, ObjectSection, SymbolMap, SymbolMapName};
-use typed_arena::Arena;
-
-use addr2line::{Context, Location};
-
-fn parse_uint_from_hex_string(string: &str) -> Option<u64> {
-    if string.len() > 2 && string.starts_with("0x") {
-        u64::from_str_radix(&string[2..], 16).ok()
-    } else {
-        u64::from_str_radix(string, 16).ok()
-    }
-}
-
-enum Addrs<'a> {
-    Args(clap::parser::ValuesRef<'a, String>),
-    Stdin(Lines<StdinLock<'a>>),
-}
-
-impl<'a> Iterator for Addrs<'a> {
-    type Item = Option<u64>;
-
-    fn next(&mut self) -> Option<Option<u64>> {
-        let text = match *self {
-            Addrs::Args(ref mut vals) => vals.next().map(Cow::from),
-            Addrs::Stdin(ref mut lines) => lines.next().map(Result::unwrap).map(Cow::from),
-        };
-        text.as_ref()
-            .map(Cow::as_ref)
-            .map(parse_uint_from_hex_string)
-    }
-}
-
-fn print_loc(loc: Option<&Location<'_>>, basenames: bool, llvm: bool) {
-    if let Some(loc) = loc {
-        if let Some(ref file) = loc.file.as_ref() {
-            let path = if basenames {
-                Path::new(Path::new(file).file_name().unwrap())
-            } else {
-                Path::new(file)
-            };
-            print!("{}:", path.display());
-        } else {
-            print!("??:");
-        }
-        if llvm {
-            print!("{}:{}", loc.line.unwrap_or(0), loc.column.unwrap_or(0));
-        } else if let Some(line) = loc.line {
-            print!("{}", line);
-        } else {
-            print!("?");
-        }
-        println!();
-    } else if llvm {
-        println!("??:0:0");
-    } else {
-        println!("??:0");
-    }
-}
-
-fn print_function(name: Option<&str>, language: Option<gimli::DwLang>, demangle: bool) {
-    if let Some(name) = name {
-        if demangle {
-            print!("{}", addr2line::demangle_auto(Cow::from(name), language));
-        } else {
-            print!("{}", name);
-        }
-    } else {
-        print!("??");
-    }
-}
-
-fn load_file_section<'input, 'arena, Endian: gimli::Endianity>(
-    id: gimli::SectionId,
-    file: &object::File<'input>,
-    endian: Endian,
-    arena_data: &'arena Arena<Cow<'input, [u8]>>,
-) -> Result<gimli::EndianSlice<'arena, Endian>, ()> {
-    // TODO: Unify with dwarfdump.rs in gimli.
-    let name = id.name();
-    match file.section_by_name(name) {
-        Some(section) => match section.uncompressed_data().unwrap() {
-            Cow::Borrowed(b) => Ok(gimli::EndianSlice::new(b, endian)),
-            Cow::Owned(b) => Ok(gimli::EndianSlice::new(arena_data.alloc(b.into()), endian)),
-        },
-        None => Ok(gimli::EndianSlice::new(&[][..], endian)),
-    }
-}
-
-fn find_name_from_symbols<'a>(
-    symbols: &'a SymbolMap<SymbolMapName<'_>>,
-    probe: u64,
-) -> Option<&'a str> {
-    symbols.get(probe).map(|x| x.name())
-}
-
-struct Options<'a> {
-    do_functions: bool,
-    do_inlines: bool,
-    pretty: bool,
-    print_addrs: bool,
-    basenames: bool,
-    demangle: bool,
-    llvm: bool,
-    exe: &'a PathBuf,
-    sup: Option<&'a PathBuf>,
-}
-
-fn main() {
-    let matches = Command::new("addr2line")
-        .version(env!("CARGO_PKG_VERSION"))
-        .about("A fast addr2line Rust port")
-        .max_term_width(100)
-        .args(&[
-            Arg::new("exe")
-                .short('e')
-                .long("exe")
-                .value_name("filename")
-                .value_parser(clap::value_parser!(PathBuf))
-                .help(
-                    "Specify the name of the executable for which addresses should be translated.",
-                )
-                .required(true),
-            Arg::new("sup")
-                .long("sup")
-                .value_name("filename")
-                .value_parser(clap::value_parser!(PathBuf))
-                .help("Path to supplementary object file."),
-            Arg::new("functions")
-                .short('f')
-                .long("functions")
-                .action(ArgAction::SetTrue)
-                .help("Display function names as well as file and line number information."),
-            Arg::new("pretty").short('p').long("pretty-print")
-                .action(ArgAction::SetTrue)
-                .help(
-                "Make the output more human friendly: each location are printed on one line.",
-            ),
-            Arg::new("inlines").short('i').long("inlines")
-                .action(ArgAction::SetTrue)
-                .help(
-                "If the address belongs to a function that was inlined, the source information for \
-                all enclosing scopes back to the first non-inlined function will also be printed.",
-            ),
-            Arg::new("addresses").short('a').long("addresses")
-                .action(ArgAction::SetTrue)
-                .help(
-                "Display the address before the function name, file and line number information.",
-            ),
-            Arg::new("basenames")
-                .short('s')
-                .long("basenames")
-                .action(ArgAction::SetTrue)
-                .help("Display only the base of each file name."),
-            Arg::new("demangle").short('C').long("demangle")
-                .action(ArgAction::SetTrue)
-                .help(
-                "Demangle function names. \
-                Specifying a specific demangling style (like GNU addr2line) is not supported. \
-                (TODO)"
-            ),
-            Arg::new("llvm")
-                .long("llvm")
-                .action(ArgAction::SetTrue)
-                .help("Display output in the same format as llvm-symbolizer."),
-            Arg::new("addrs")
-                .action(ArgAction::Append)
-                .help("Addresses to use instead of reading from stdin."),
-        ])
-        .get_matches();
-
-    let arena_data = Arena::new();
-
-    let opts = Options {
-        do_functions: matches.get_flag("functions"),
-        do_inlines: matches.get_flag("inlines"),
-        pretty: matches.get_flag("pretty"),
-        print_addrs: matches.get_flag("addresses"),
-        basenames: matches.get_flag("basenames"),
-        demangle: matches.get_flag("demangle"),
-        llvm: matches.get_flag("llvm"),
-        exe: matches.get_one::<PathBuf>("exe").unwrap(),
-        sup: matches.get_one::<PathBuf>("sup"),
-    };
-
-    let file = File::open(opts.exe).unwrap();
-    let map = unsafe { memmap2::Mmap::map(&file).unwrap() };
-    let object = &object::File::parse(&*map).unwrap();
-
-    let endian = if object.is_little_endian() {
-        gimli::RunTimeEndian::Little
-    } else {
-        gimli::RunTimeEndian::Big
-    };
-
-    let mut load_section = |id: gimli::SectionId| -> Result<_, _> {
-        load_file_section(id, object, endian, &arena_data)
-    };
-
-    let sup_map;
-    let sup_object = if let Some(sup_path) = opts.sup {
-        let sup_file = File::open(sup_path).unwrap();
-        sup_map = unsafe { memmap2::Mmap::map(&sup_file).unwrap() };
-        Some(object::File::parse(&*sup_map).unwrap())
-    } else {
-        None
-    };
-
-    let symbols = object.symbol_map();
-    let mut dwarf = gimli::Dwarf::load(&mut load_section).unwrap();
-    if let Some(ref sup_object) = sup_object {
-        let mut load_sup_section = |id: gimli::SectionId| -> Result<_, _> {
-            load_file_section(id, sup_object, endian, &arena_data)
-        };
-        dwarf.load_sup(&mut load_sup_section).unwrap();
-    }
-
-    let mut split_dwarf_loader = addr2line::builtin_split_dwarf_loader::SplitDwarfLoader::new(
-        |data, endian| {
-            gimli::EndianSlice::new(arena_data.alloc(Cow::Owned(data.into_owned())), endian)
-        },
-        Some(opts.exe.clone()),
-    );
-    let ctx = Context::from_dwarf(dwarf).unwrap();
-
-    let stdin = std::io::stdin();
-    let addrs = matches
-        .get_many::<String>("addrs")
-        .map(Addrs::Args)
-        .unwrap_or_else(|| Addrs::Stdin(stdin.lock().lines()));
-
-    for probe in addrs {
-        if opts.print_addrs {
-            let addr = probe.unwrap_or(0);
-            if opts.llvm {
-                print!("0x{:x}", addr);
-            } else {
-                print!("0x{:016x}", addr);
-            }
-            if opts.pretty {
-                print!(": ");
-            } else {
-                println!();
-            }
-        }
-
-        if opts.do_functions || opts.do_inlines {
-            let mut printed_anything = false;
-            if let Some(probe) = probe {
-                let frames = ctx.find_frames(probe);
-                let frames = split_dwarf_loader.run(frames).unwrap();
-                let mut frames = frames.enumerate();
-                while let Some((i, frame)) = frames.next().unwrap() {
-                    if opts.pretty && i != 0 {
-                        print!(" (inlined by) ");
-                    }
-
-                    if opts.do_functions {
-                        if let Some(func) = frame.function {
-                            print_function(
-                                func.raw_name().ok().as_ref().map(AsRef::as_ref),
-                                func.language,
-                                opts.demangle,
-                            );
-                        } else {
-                            let name = find_name_from_symbols(&symbols, probe);
-                            print_function(name, None, opts.demangle);
-                        }
-
-                        if opts.pretty {
-                            print!(" at ");
-                        } else {
-                            println!();
-                        }
-                    }
-
-                    print_loc(frame.location.as_ref(), opts.basenames, opts.llvm);
-
-                    printed_anything = true;
-
-                    if !opts.do_inlines {
-                        break;
-                    }
-                }
-            }
-
-            if !printed_anything {
-                if opts.do_functions {
-                    let name = probe.and_then(|probe| find_name_from_symbols(&symbols, probe));
-                    print_function(name, None, opts.demangle);
-
-                    if opts.pretty {
-                        print!(" at ");
-                    } else {
-                        println!();
-                    }
-                }
-
-                print_loc(None, opts.basenames, opts.llvm);
-            }
-        } else {
-            let loc = probe.and_then(|probe| ctx.find_location(probe).unwrap());
-            print_loc(loc.as_ref(), opts.basenames, opts.llvm);
-        }
-
-        if opts.llvm {
-            println!();
-        }
-        std::io::stdout().flush().unwrap();
-    }
-}
diff --git a/vendor/addr2line/rustfmt.toml b/vendor/addr2line/rustfmt.toml
deleted file mode 100644
index 8b13789..0000000
--- a/vendor/addr2line/rustfmt.toml
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/vendor/addr2line/src/builtin_split_dwarf_loader.rs b/vendor/addr2line/src/builtin_split_dwarf_loader.rs
deleted file mode 100644
index 4711931..0000000
--- a/vendor/addr2line/src/builtin_split_dwarf_loader.rs
+++ /dev/null
@@ -1,164 +0,0 @@
-use alloc::borrow::Cow;
-use alloc::sync::Arc;
-use std::fs::File;
-use std::path::PathBuf;
-
-use object::Object;
-
-use crate::{LookupContinuation, LookupResult};
-
-#[cfg(unix)]
-fn convert_path<R: gimli::Reader<Endian = gimli::RunTimeEndian>>(
-    r: &R,
-) -> Result<PathBuf, gimli::Error> {
-    use std::ffi::OsStr;
-    use std::os::unix::ffi::OsStrExt;
-    let bytes = r.to_slice()?;
-    let s = OsStr::from_bytes(&bytes);
-    Ok(PathBuf::from(s))
-}
-
-#[cfg(not(unix))]
-fn convert_path<R: gimli::Reader<Endian = gimli::RunTimeEndian>>(
-    r: &R,
-) -> Result<PathBuf, gimli::Error> {
-    let bytes = r.to_slice()?;
-    let s = std::str::from_utf8(&bytes).map_err(|_| gimli::Error::BadUtf8)?;
-    Ok(PathBuf::from(s))
-}
-
-fn load_section<'data: 'file, 'file, O, R, F>(
-    id: gimli::SectionId,
-    file: &'file O,
-    endian: R::Endian,
-    loader: &mut F,
-) -> Result<R, gimli::Error>
-where
-    O: object::Object<'data, 'file>,
-    R: gimli::Reader<Endian = gimli::RunTimeEndian>,
-    F: FnMut(Cow<'data, [u8]>, R::Endian) -> R,
-{
-    use object::ObjectSection;
-
-    let data = id
-        .dwo_name()
-        .and_then(|dwo_name| {
-            file.section_by_name(dwo_name)
-                .and_then(|section| section.uncompressed_data().ok())
-        })
-        .unwrap_or(Cow::Borrowed(&[]));
-    Ok(loader(data, endian))
-}
-
-/// A simple builtin split DWARF loader.
-pub struct SplitDwarfLoader<R, F>
-where
-    R: gimli::Reader<Endian = gimli::RunTimeEndian>,
-    F: FnMut(Cow<'_, [u8]>, R::Endian) -> R,
-{
-    loader: F,
-    dwarf_package: Option<gimli::DwarfPackage<R>>,
-}
-
-impl<R, F> SplitDwarfLoader<R, F>
-where
-    R: gimli::Reader<Endian = gimli::RunTimeEndian>,
-    F: FnMut(Cow<'_, [u8]>, R::Endian) -> R,
-{
-    fn load_dwarf_package(loader: &mut F, path: Option<PathBuf>) -> Option<gimli::DwarfPackage<R>> {
-        let mut path = path.map(Ok).unwrap_or_else(std::env::current_exe).ok()?;
-        let dwp_extension = path
-            .extension()
-            .map(|previous_extension| {
-                let mut previous_extension = previous_extension.to_os_string();
-                previous_extension.push(".dwp");
-                previous_extension
-            })
-            .unwrap_or_else(|| "dwp".into());
-        path.set_extension(dwp_extension);
-        let file = File::open(&path).ok()?;
-        let map = unsafe { memmap2::Mmap::map(&file).ok()? };
-        let dwp = object::File::parse(&*map).ok()?;
-
-        let endian = if dwp.is_little_endian() {
-            gimli::RunTimeEndian::Little
-        } else {
-            gimli::RunTimeEndian::Big
-        };
-
-        let empty = loader(Cow::Borrowed(&[]), endian);
-        gimli::DwarfPackage::load(
-            |section_id| load_section(section_id, &dwp, endian, loader),
-            empty,
-        )
-        .ok()
-    }
-
-    /// Create a new split DWARF loader.
-    pub fn new(mut loader: F, path: Option<PathBuf>) -> SplitDwarfLoader<R, F> {
-        let dwarf_package = SplitDwarfLoader::load_dwarf_package(&mut loader, path);
-        SplitDwarfLoader {
-            loader,
-            dwarf_package,
-        }
-    }
-
-    /// Run the provided `LookupResult` to completion, loading any necessary
-    /// split DWARF along the way.
-    pub fn run<L>(&mut self, mut l: LookupResult<L>) -> L::Output
-    where
-        L: LookupContinuation<Buf = R>,
-    {
-        loop {
-            let (load, continuation) = match l {
-                LookupResult::Output(output) => break output,
-                LookupResult::Load { load, continuation } => (load, continuation),
-            };
-
-            let mut r: Option<Arc<gimli::Dwarf<_>>> = None;
-            if let Some(dwp) = self.dwarf_package.as_ref() {
-                if let Ok(Some(cu)) = dwp.find_cu(load.dwo_id, &load.parent) {
-                    r = Some(Arc::new(cu));
-                }
-            }
-
-            if r.is_none() {
-                let mut path = PathBuf::new();
-                if let Some(p) = load.comp_dir.as_ref() {
-                    if let Ok(p) = convert_path(p) {
-                        path.push(p);
-                    }
-                }
-
-                if let Some(p) = load.path.as_ref() {
-                    if let Ok(p) = convert_path(p) {
-                        path.push(p);
-                    }
-                }
-
-                if let Ok(file) = File::open(&path) {
-                    if let Ok(map) = unsafe { memmap2::Mmap::map(&file) } {
-                        if let Ok(file) = object::File::parse(&*map) {
-                            let endian = if file.is_little_endian() {
-                                gimli::RunTimeEndian::Little
-                            } else {
-                                gimli::RunTimeEndian::Big
-                            };
-
-                            r = gimli::Dwarf::load(|id| {
-                                load_section(id, &file, endian, &mut self.loader)
-                            })
-                            .ok()
-                            .map(|mut dwo_dwarf| {
-                                dwo_dwarf.make_dwo(&load.parent);
-                                Arc::new(dwo_dwarf)
-                            });
-                        }
-                    }
-                }
-            }
-
-            l = continuation.resume(r);
-        }
-    }
-}
diff --git a/vendor/addr2line/src/function.rs b/vendor/addr2line/src/function.rs
deleted file mode 100644
index 09c19e0..0000000
--- a/vendor/addr2line/src/function.rs
+++ /dev/null
@@ -1,555 +0,0 @@
-use alloc::boxed::Box;
-use alloc::vec::Vec;
-use core::cmp::Ordering;
-use core::iter;
-
-use crate::lazy::LazyCell;
-use crate::maybe_small;
-use crate::{Context, DebugFile, Error, RangeAttributes};
-
-pub(crate) struct Functions<R: gimli::Reader> {
-    /// List of all `DW_TAG_subprogram` details in the unit.
-    pub(crate) functions: Box<
-        [(
-            gimli::UnitOffset<R::Offset>,
-            LazyCell<Result<Function<R>, Error>>,
-        )],
-    >,
-    /// List of `DW_TAG_subprogram` address ranges in the unit.
-    pub(crate) addresses: Box<[FunctionAddress]>,
-}
-
-/// A single address range for a function.
-///
-/// It is possible for a function to have multiple address ranges; this
-/// is handled by having multiple `FunctionAddress` entries with the same
-/// `function` field.
-pub(crate) struct FunctionAddress {
-    range: gimli::Range,
-    /// An index into `Functions::functions`.
-    pub(crate) function: usize,
-}
-
-pub(crate) struct Function<R: gimli::Reader> {
-    pub(crate) dw_die_offset: gimli::UnitOffset<R::Offset>,
-    pub(crate) name: Option<R>,
-    /// List of all `DW_TAG_inlined_subroutine` details in this function.
-    inlined_functions: Box<[InlinedFunction<R>]>,
-    /// List of `DW_TAG_inlined_subroutine` address ranges in this function.
-    inlined_addresses: Box<[InlinedFunctionAddress]>,
-}
-
-pub(crate) struct InlinedFunctionAddress {
-    range: gimli::Range,
-    call_depth: usize,
-    /// An index into `Function::inlined_functions`.
-    function: usize,
-}
-
-pub(crate) struct InlinedFunction<R: gimli::Reader> {
-    pub(crate) dw_die_offset: gimli::UnitOffset<R::Offset>,
-    pub(crate) name: Option<R>,
-    pub(crate) call_file: Option<u64>,
-    pub(crate) call_line: u32,
-    pub(crate) call_column: u32,
-}
-
-impl<R: gimli::Reader> Functions<R> {
-    pub(crate) fn parse(
-        unit: &gimli::Unit<R>,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<Functions<R>, Error> {
-        let mut functions = Vec::new();
-        let mut addresses = Vec::new();
-        let mut entries = unit.entries_raw(None)?;
-        while !entries.is_empty() {
-            let dw_die_offset = entries.next_offset();
-            if let Some(abbrev) = entries.read_abbreviation()? {
-                if abbrev.tag() == gimli::DW_TAG_subprogram {
-                    let mut ranges = RangeAttributes::default();
-                    for spec in abbrev.attributes() {
-                        match entries.read_attribute(*spec) {
-                            Ok(ref attr) => {
-                                match attr.name() {
-                                    gimli::DW_AT_low_pc => match attr.value() {
-                                        gimli::AttributeValue::Addr(val) => {
-                                            ranges.low_pc = Some(val)
-                                        }
-                                        gimli::AttributeValue::DebugAddrIndex(index) => {
-                                            ranges.low_pc = Some(sections.address(unit, index)?);
-                                        }
-                                        _ => {}
-                                    },
-                                    gimli::DW_AT_high_pc => match attr.value() {
-                                        gimli::AttributeValue::Addr(val) => {
-                                            ranges.high_pc = Some(val)
-                                        }
-                                        gimli::AttributeValue::DebugAddrIndex(index) => {
-                                            ranges.high_pc = Some(sections.address(unit, index)?);
-                                        }
-                                        gimli::AttributeValue::Udata(val) => {
-                                            ranges.size = Some(val)
-                                        }
-                                        _ => {}
-                                    },
-                                    gimli::DW_AT_ranges => {
-                                        ranges.ranges_offset =
-                                            sections.attr_ranges_offset(unit, attr.value())?;
-                                    }
-                                    _ => {}
-                                };
-                            }
-                            Err(e) => return Err(e),
-                        }
-                    }
-
-                    let function_index = functions.len();
-                    if ranges.for_each_range(sections, unit, |range| {
-                        addresses.push(FunctionAddress {
-                            range,
-                            function: function_index,
-                        });
-                    })? {
-                        functions.push((dw_die_offset, LazyCell::new()));
-                    }
-                } else {
-                    entries.skip_attributes(abbrev.attributes())?;
-                }
-            }
-        }
-
-        // The binary search requires the addresses to be sorted.
-        //
-        // It also requires them to be non-overlapping.  In practice, overlapping
-        // function ranges are unlikely, so we don't try to handle that yet.
-        //
-        // It's possible for multiple functions to have the same address range if the
-        // compiler can detect and remove functions with identical code.  In that case
-        // we'll nondeterministically return one of them.
-        addresses.sort_by_key(|x| x.range.begin);
-
-        Ok(Functions {
-            functions: functions.into_boxed_slice(),
-            addresses: addresses.into_boxed_slice(),
-        })
-    }
-
-    pub(crate) fn find_address(&self, probe: u64) -> Option<usize> {
-        self.addresses
-            .binary_search_by(|address| {
-                if probe < address.range.begin {
-                    Ordering::Greater
-                } else if probe >= address.range.end {
-                    Ordering::Less
-                } else {
-                    Ordering::Equal
-                }
-            })
-            .ok()
-    }
-
-    pub(crate) fn parse_inlined_functions(
-        &self,
-        file: DebugFile,
-        unit: &gimli::Unit<R>,
-        ctx: &Context<R>,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<(), Error> {
-        for function in &*self.functions {
-            function
-                .1
-                .borrow_with(|| Function::parse(function.0, file, unit, ctx, sections))
-                .as_ref()
-                .map_err(Error::clone)?;
-        }
-        Ok(())
-    }
-}
-
-impl<R: gimli::Reader> Function<R> {
-    pub(crate) fn parse(
-        dw_die_offset: gimli::UnitOffset<R::Offset>,
-        file: DebugFile,
-        unit: &gimli::Unit<R>,
-        ctx: &Context<R>,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<Self, Error> {
-        let mut entries = unit.entries_raw(Some(dw_die_offset))?;
-        let depth = entries.next_depth();
-        let abbrev = entries.read_abbreviation()?.unwrap();
-        debug_assert_eq!(abbrev.tag(), gimli::DW_TAG_subprogram);
-
-        let mut name = None;
-        for spec in abbrev.attributes() {
-            match entries.read_attribute(*spec) {
-                Ok(ref attr) => {
-                    match attr.name() {
-                        gimli::DW_AT_linkage_name | gimli::DW_AT_MIPS_linkage_name => {
-                            if let Ok(val) = sections.attr_string(unit, attr.value()) {
-                                name = Some(val);
-                            }
-                        }
-                        gimli::DW_AT_name => {
-                            if name.is_none() {
-                                name = sections.attr_string(unit, attr.value()).ok();
-                            }
-                        }
-                        gimli::DW_AT_abstract_origin | gimli::DW_AT_specification => {
-                            if name.is_none() {
-                                name = name_attr(attr.value(), file, unit, ctx, sections, 16)?;
-                            }
-                        }
-                        _ => {}
-                    };
-                }
-                Err(e) => return Err(e),
-            }
-        }
-
-        let mut inlined_functions = Vec::new();
-        let mut inlined_addresses = Vec::new();
-        Function::parse_children(
-            &mut entries,
-            depth,
-            file,
-            unit,
-            ctx,
-            sections,
-            &mut inlined_functions,
-            &mut inlined_addresses,
-            0,
-        )?;
-
-        // Sort ranges in "breadth-first traversal order", i.e. first by call_depth
-        // and then by range.begin. This allows finding the range containing an
-        // address at a certain depth using binary search.
-        // Note: Using DFS order, i.e. ordering by range.begin first and then by
-        // call_depth, would not work! Consider the two examples
-        // "[0..10 at depth 0], [0..2 at depth 1], [6..8 at depth 1]"  and
-        // "[0..5 at depth 0], [0..2 at depth 1], [5..10 at depth 0], [6..8 at depth 1]".
-        // In this example, if you want to look up address 7 at depth 0, and you
-        // encounter [0..2 at depth 1], are you before or after the target range?
-        // You don't know.
-        inlined_addresses.sort_by(|r1, r2| {
-            if r1.call_depth < r2.call_depth {
-                Ordering::Less
-            } else if r1.call_depth > r2.call_depth {
-                Ordering::Greater
-            } else if r1.range.begin < r2.range.begin {
-                Ordering::Less
-            } else if r1.range.begin > r2.range.begin {
-                Ordering::Greater
-            } else {
-                Ordering::Equal
-            }
-        });
-
-        Ok(Function {
-            dw_die_offset,
-            name,
-            inlined_functions: inlined_functions.into_boxed_slice(),
-            inlined_addresses: inlined_addresses.into_boxed_slice(),
-        })
-    }
-
-    fn parse_children(
-        entries: &mut gimli::EntriesRaw<'_, '_, R>,
-        depth: isize,
-        file: DebugFile,
-        unit: &gimli::Unit<R>,
-        ctx: &Context<R>,
-        sections: &gimli::Dwarf<R>,
-        inlined_functions: &mut Vec<InlinedFunction<R>>,
-        inlined_addresses: &mut Vec<InlinedFunctionAddress>,
-        inlined_depth: usize,
-    ) -> Result<(), Error> {
-        loop {
-            let dw_die_offset = entries.next_offset();
-            let next_depth = entries.next_depth();
-            if next_depth <= depth {
-                return Ok(());
-            }
-            if let Some(abbrev) = entries.read_abbreviation()? {
-                match abbrev.tag() {
-                    gimli::DW_TAG_subprogram => {
-                        Function::skip(entries, abbrev, next_depth)?;
-                    }
-                    gimli::DW_TAG_inlined_subroutine => {
-                        InlinedFunction::parse(
-                            dw_die_offset,
-                            entries,
-                            abbrev,
-                            next_depth,
-                            file,
-                            unit,
-                            ctx,
-                            sections,
-                            inlined_functions,
-                            inlined_addresses,
-                            inlined_depth,
-                        )?;
-                    }
-                    _ => {
-                        entries.skip_attributes(abbrev.attributes())?;
-                    }
-                }
-            }
-        }
-    }
-
-    fn skip(
-        entries: &mut gimli::EntriesRaw<'_, '_, R>,
-        abbrev: &gimli::Abbreviation,
-        depth: isize,
-    ) -> Result<(), Error> {
-        // TODO: use DW_AT_sibling
-        entries.skip_attributes(abbrev.attributes())?;
-        while entries.next_depth() > depth {
-            if let Some(abbrev) = entries.read_abbreviation()? {
-                entries.skip_attributes(abbrev.attributes())?;
-            }
-        }
-        Ok(())
-    }
-
-    /// Build the list of inlined functions that contain `probe`.
-    pub(crate) fn find_inlined_functions(
-        &self,
-        probe: u64,
-    ) -> iter::Rev<maybe_small::IntoIter<&InlinedFunction<R>>> {
-        // `inlined_functions` is ordered from outside to inside.
-        let mut inlined_functions = maybe_small::Vec::new();
-        let mut inlined_addresses = &self.inlined_addresses[..];
-        loop {
-            let current_depth = inlined_functions.len();
-            // Look up (probe, current_depth) in inline_ranges.
-            // `inlined_addresses` is sorted in "breadth-first traversal order", i.e.
-            // by `call_depth` first, and then by `range.begin`. See the comment at
-            // the sort call for more information about why.
-            let search = inlined_addresses.binary_search_by(|range| {
-                if range.call_depth > current_depth {
-                    Ordering::Greater
-                } else if range.call_depth < current_depth {
-                    Ordering::Less
-                } else if range.range.begin > probe {
-                    Ordering::Greater
-                } else if range.range.end <= probe {
-                    Ordering::Less
-                } else {
-                    Ordering::Equal
-                }
-            });
-            if let Ok(index) = search {
-                let function_index = inlined_addresses[index].function;
-                inlined_functions.push(&self.inlined_functions[function_index]);
-                inlined_addresses = &inlined_addresses[index + 1..];
-            } else {
-                break;
-            }
-        }
-        inlined_functions.into_iter().rev()
-    }
-}
-
-impl<R: gimli::Reader> InlinedFunction<R> {
-    fn parse(
-        dw_die_offset: gimli::UnitOffset<R::Offset>,
-        entries: &mut gimli::EntriesRaw<'_, '_, R>,
-        abbrev: &gimli::Abbreviation,
-        depth: isize,
-        file: DebugFile,
-        unit: &gimli::Unit<R>,
-        ctx: &Context<R>,
-        sections: &gimli::Dwarf<R>,
-        inlined_functions: &mut Vec<InlinedFunction<R>>,
-        inlined_addresses: &mut Vec<InlinedFunctionAddress>,
-        inlined_depth: usize,
-    ) -> Result<(), Error> {
-        let mut ranges = RangeAttributes::default();
-        let mut name = None;
-        let mut call_file = None;
-        let mut call_line = 0;
-        let mut call_column = 0;
-        for spec in abbrev.attributes() {
-            match entries.read_attribute(*spec) {
-                Ok(ref attr) => match attr.name() {
-                    gimli::DW_AT_low_pc => match attr.value() {
-                        gimli::AttributeValue::Addr(val) => ranges.low_pc = Some(val),
-                        gimli::AttributeValue::DebugAddrIndex(index) => {
-                            ranges.low_pc = Some(sections.address(unit, index)?);
-                        }
-                        _ => {}
-                    },
-                    gimli::DW_AT_high_pc => match attr.value() {
-                        gimli::AttributeValue::Addr(val) => ranges.high_pc = Some(val),
-                        gimli::AttributeValue::DebugAddrIndex(index) => {
-                            ranges.high_pc = Some(sections.address(unit, index)?);
-                        }
-                        gimli::AttributeValue::Udata(val) => ranges.size = Some(val),
-                        _ => {}
-                    },
-                    gimli::DW_AT_ranges => {
-                        ranges.ranges_offset = sections.attr_ranges_offset(unit, attr.value())?;
-                    }
-                    gimli::DW_AT_linkage_name | gimli::DW_AT_MIPS_linkage_name => {
-                        if let Ok(val) = sections.attr_string(unit, attr.value()) {
-                            name = Some(val);
-                        }
-                    }
-                    gimli::DW_AT_name => {
-                        if name.is_none() {
-                            name = sections.attr_string(unit, attr.value()).ok();
-                        }
-                    }
-                    gimli::DW_AT_abstract_origin | gimli::DW_AT_specification => {
-                        if name.is_none() {
-                            name = name_attr(attr.value(), file, unit, ctx, sections, 16)?;
-                        }
-                    }
-                    gimli::DW_AT_call_file => {
-                        // There is a spec issue [1] with how DW_AT_call_file is specified in DWARF 5.
-                        // Before, a file index of 0 would indicate no source file, however in
-                        // DWARF 5 this could be a valid index into the file table.
-                        //
-                        // Implementations such as LLVM generates a file index of 0 when DWARF 5 is
-                        // used.
-                        //
-                        // Thus, if we see a version of 5 or later, treat a file index of 0 as such.
-                        // [1]: http://wiki.dwarfstd.org/index.php?title=DWARF5_Line_Table_File_Numbers
-                        if let gimli::AttributeValue::FileIndex(fi) = attr.value() {
-                            if fi > 0 || unit.header.version() >= 5 {
-                                call_file = Some(fi);
-                            }
-                        }
-                    }
-                    gimli::DW_AT_call_line => {
-                        call_line = attr.udata_value().unwrap_or(0) as u32;
-                    }
-                    gimli::DW_AT_call_column => {
-                        call_column = attr.udata_value().unwrap_or(0) as u32;
-                    }
-                    _ => {}
-                },
-                Err(e) => return Err(e),
-            }
-        }
-
-        let function_index = inlined_functions.len();
-        inlined_functions.push(InlinedFunction {
-            dw_die_offset,
-            name,
-            call_file,
-            call_line,
-            call_column,
-        });
-
-        ranges.for_each_range(sections, unit, |range| {
-            inlined_addresses.push(InlinedFunctionAddress {
-                range,
-                call_depth: inlined_depth,
-                function: function_index,
-            });
-        })?;
-
-        Function::parse_children(
-            entries,
-            depth,
-            file,
-            unit,
-            ctx,
-            sections,
-            inlined_functions,
-            inlined_addresses,
-            inlined_depth + 1,
-        )
-    }
-}
-
-fn name_attr<R>(
-    attr: gimli::AttributeValue<R>,
-    mut file: DebugFile,
-    unit: &gimli::Unit<R>,
-    ctx: &Context<R>,
-    sections: &gimli::Dwarf<R>,
-    recursion_limit: usize,
-) -> Result<Option<R>, Error>
-where
-    R: gimli::Reader,
-{
-    if recursion_limit == 0 {
-        return Ok(None);
-    }
-
-    match attr {
-        gimli::AttributeValue::UnitRef(offset) => {
-            name_entry(file, unit, offset, ctx, sections, recursion_limit)
-        }
-        gimli::AttributeValue::DebugInfoRef(dr) => {
-            let (unit, offset) = ctx.find_unit(dr, file)?;
-            name_entry(file, unit, offset, ctx, sections, recursion_limit)
-        }
-        gimli::AttributeValue::DebugInfoRefSup(dr) => {
-            if let Some(sup_sections) = sections.sup.as_ref() {
-                file = DebugFile::Supplementary;
-                let (unit, offset) = ctx.find_unit(dr, file)?;
-                name_entry(file, unit, offset, ctx, sup_sections, recursion_limit)
-            } else {
-                Ok(None)
-            }
-        }
-        _ => Ok(None),
-    }
-}
-
-fn name_entry<R>(
-    file: DebugFile,
-    unit: &gimli::Unit<R>,
-    offset: gimli::UnitOffset<R::Offset>,
-    ctx: &Context<R>,
-    sections: &gimli::Dwarf<R>,
-    recursion_limit: usize,
-) -> Result<Option<R>, Error>
-where
-    R: gimli::Reader,
-{
-    let mut entries = unit.entries_raw(Some(offset))?;
-    let abbrev = if let Some(abbrev) = entries.read_abbreviation()? {
-        abbrev
-    } else {
-        return Err(gimli::Error::NoEntryAtGivenOffset);
-    };
-
-    let mut name = None;
-    let mut next = None;
-    for spec in abbrev.attributes() {
-        match entries.read_attribute(*spec) {
-            Ok(ref attr) => match attr.name() {
-                gimli::DW_AT_linkage_name | gimli::DW_AT_MIPS_linkage_name => {
-                    if let Ok(val) = sections.attr_string(unit, attr.value()) {
-                        return Ok(Some(val));
-                    }
-                }
-                gimli::DW_AT_name => {
-                    if let Ok(val) = sections.attr_string(unit, attr.value()) {
-                        name = Some(val);
-                    }
-                }
-                gimli::DW_AT_abstract_origin | gimli::DW_AT_specification => {
-                    next = Some(attr.value());
-                }
-                _ => {}
-            },
-            Err(e) => return Err(e),
-        }
-    }
-
-    if name.is_some() {
-        return Ok(name);
-    }
-
-    if let Some(next) = next {
-        return name_attr(next, file, unit, ctx, sections, recursion_limit - 1);
-    }
-
-    Ok(None)
-}
diff --git a/vendor/addr2line/src/lazy.rs b/vendor/addr2line/src/lazy.rs
deleted file mode 100644
index 2df2ed6..0000000
--- a/vendor/addr2line/src/lazy.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-use core::cell::UnsafeCell;
-
-pub struct LazyCell<T> {
-    contents: UnsafeCell<Option<T>>,
-}
-impl<T> LazyCell<T> {
-    pub fn new() -> LazyCell<T> {
-        LazyCell {
-            contents: UnsafeCell::new(None),
-        }
-    }
-
-    pub fn borrow(&self) -> Option<&T> {
-        unsafe { &*self.contents.get() }.as_ref()
-    }
-
-    pub fn borrow_with(&self, closure: impl FnOnce() -> T) -> &T {
-        // First check if we're already initialized...
-        let ptr = self.contents.get();
-        if let Some(val) = unsafe { &*ptr } {
-            return val;
-        }
-        // Note that while we're executing `closure` our `borrow_with` may
-        // be called recursively. This means we need to check again after
-        // the closure has executed. For that we use the `get_or_insert`
-        // method which will only perform mutation if we aren't already
-        // `Some`.
-        let val = closure();
-        unsafe { (*ptr).get_or_insert(val) }
-    }
-}
diff --git a/vendor/addr2line/src/lib.rs b/vendor/addr2line/src/lib.rs
deleted file mode 100644
index 3270aad..0000000
--- a/vendor/addr2line/src/lib.rs
+++ /dev/null
@@ -1,1729 +0,0 @@
-//! This crate provides a cross-platform library and binary for translating addresses into
-//! function names, file names and line numbers. Given an address in an executable or an
-//! offset in a section of a relocatable object, it uses the debugging information to
-//! figure out which file name and line number are associated with it.
-//!
-//! When used as a library, files must first be loaded using the
-//! [`object`](https://github.com/gimli-rs/object) crate.
-//! A context can then be created with [`Context::new`](./struct.Context.html#method.new).
-//! The context caches some of the parsed information so that multiple lookups are
-//! efficient.
-//! Location information is obtained with
-//! [`Context::find_location`](./struct.Context.html#method.find_location) or
-//! [`Context::find_location_range`](./struct.Context.html#method.find_location_range).
-//! Function information is obtained with
-//! [`Context::find_frames`](./struct.Context.html#method.find_frames), which returns
-//! a frame for each inline function. Each frame contains both name and location.
-//!
-//! The crate has an example CLI wrapper around the library which provides some of
-//! the functionality of the `addr2line` command line tool distributed with [GNU
-//! binutils](https://www.gnu.org/software/binutils/).
-//!
-//! Currently this library only provides information from the DWARF debugging information,
-//! which is parsed using [`gimli`](https://github.com/gimli-rs/gimli).  The example CLI
-//! wrapper also uses symbol table information provided by the `object` crate.
-#![deny(missing_docs)]
-#![no_std]
-
-#[cfg(feature = "std")]
-extern crate std;
-
-#[allow(unused_imports)]
-#[macro_use]
-extern crate alloc;
-
-#[cfg(feature = "fallible-iterator")]
-pub extern crate fallible_iterator;
-pub extern crate gimli;
-#[cfg(feature = "object")]
-pub extern crate object;
-
-use alloc::borrow::Cow;
-use alloc::boxed::Box;
-#[cfg(feature = "object")]
-use alloc::rc::Rc;
-use alloc::string::{String, ToString};
-use alloc::sync::Arc;
-use alloc::vec::Vec;
-
-use core::cmp::{self, Ordering};
-use core::iter;
-use core::marker::PhantomData;
-use core::mem;
-use core::num::NonZeroU64;
-use core::ops::ControlFlow;
-use core::u64;
-
-use crate::function::{Function, Functions, InlinedFunction};
-use crate::lazy::LazyCell;
-
-#[cfg(feature = "smallvec")]
-mod maybe_small {
-    pub type Vec<T> = smallvec::SmallVec<[T; 16]>;
-    pub type IntoIter<T> = smallvec::IntoIter<[T; 16]>;
-}
-#[cfg(not(feature = "smallvec"))]
-mod maybe_small {
-    pub type Vec<T> = alloc::vec::Vec<T>;
-    pub type IntoIter<T> = alloc::vec::IntoIter<T>;
-}
-
-#[cfg(all(feature = "std", feature = "object", feature = "memmap2"))]
-/// A simple builtin split DWARF loader.
-pub mod builtin_split_dwarf_loader;
-mod function;
-mod lazy;
-
-type Error = gimli::Error;
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum DebugFile {
-    Primary,
-    Supplementary,
-    Dwo,
-}
-
-/// Operations that consult debug information may require additional files
-/// to be loaded if split DWARF is being used. This enum returns the result
-/// of the operation in the `Break` variant, or information about the split
-/// DWARF that is required and a continuation to invoke once it is available
-/// in the `Continue` variant.
-///
-/// This enum is intended to be used in a loop like so:
-/// ```no_run
-///   # use addr2line::*;
-///   # use std::sync::Arc;
-///   # let ctx: Context<gimli::EndianRcSlice<gimli::RunTimeEndian>> = todo!();
-///   # let do_split_dwarf_load = |load: SplitDwarfLoad<gimli::EndianRcSlice<gimli::RunTimeEndian>>| -> Option<Arc<gimli::Dwarf<gimli::EndianRcSlice<gimli::RunTimeEndian>>>> { None };
-///   const ADDRESS: u64 = 0xdeadbeef;
-///   let mut r = ctx.find_frames(ADDRESS);
-///   let result = loop {
-///     match r {
-///       LookupResult::Output(result) => break result,
-///       LookupResult::Load { load, continuation } => {
-///         let dwo = do_split_dwarf_load(load);
-///         r = continuation.resume(dwo);
-///       }
-///     }
-///   };
-/// ```
-pub enum LookupResult<L: LookupContinuation> {
-    /// The lookup requires split DWARF data to be loaded.
-    Load {
-        /// The information needed to find the split DWARF data.
-        load: SplitDwarfLoad<<L as LookupContinuation>::Buf>,
-        /// The continuation to resume with the loaded split DWARF data.
-        continuation: L,
-    },
-    /// The lookup has completed and produced an output.
-    Output(<L as LookupContinuation>::Output),
-}
-
-/// This trait represents a partially complete operation that can be resumed
-/// once a load of needed split DWARF data is completed or abandoned by the
-/// API consumer.
-pub trait LookupContinuation: Sized {
-    /// The final output of this operation.
-    type Output;
-    /// The type of reader used.
-    type Buf: gimli::Reader;
-
-    /// Resumes the operation with the provided data.
-    ///
-    /// After the caller loads the split DWARF data required, call this
-    /// method to resume the operation. The return value of this method
-    /// indicates if the computation has completed or if further data is
-    /// required.
-    ///
-    /// If the additional data cannot be located, or the caller does not
-    /// support split DWARF, `resume(None)` can be used to continue the
-    /// operation with the data that is available.
-    fn resume(self, input: Option<Arc<gimli::Dwarf<Self::Buf>>>) -> LookupResult<Self>;
-}
-
-impl<L: LookupContinuation> LookupResult<L> {
-    /// Callers that do not handle split DWARF can call `skip_all_loads`
-    /// to fast-forward to the end result. This result is produced with
-    /// the data that is available and may be less accurate than the
-    /// the results that would be produced if the caller did properly
-    /// support split DWARF.
-    pub fn skip_all_loads(mut self) -> L::Output {
-        loop {
-            self = match self {
-                LookupResult::Output(t) => return t,
-                LookupResult::Load { continuation, .. } => continuation.resume(None),
-            };
-        }
-    }
-
-    fn map<T, F: FnOnce(L::Output) -> T>(self, f: F) -> LookupResult<MappedLookup<T, L, F>> {
-        match self {
-            LookupResult::Output(t) => LookupResult::Output(f(t)),
-            LookupResult::Load { load, continuation } => LookupResult::Load {
-                load,
-                continuation: MappedLookup {
-                    original: continuation,
-                    mutator: f,
-                },
-            },
-        }
-    }
-
-    fn unwrap(self) -> L::Output {
-        match self {
-            LookupResult::Output(t) => t,
-            LookupResult::Load { .. } => unreachable!("Internal API misuse"),
-        }
-    }
-}
-
-/// The state necessary to perform address to line translation.
-///
-/// Constructing a `Context` is somewhat costly, so users should aim to reuse `Context`s
-/// when performing lookups for many addresses in the same executable.
-pub struct Context<R: gimli::Reader> {
-    sections: Arc<gimli::Dwarf<R>>,
-    unit_ranges: Box<[UnitRange]>,
-    units: Box<[ResUnit<R>]>,
-    sup_units: Box<[SupUnit<R>]>,
-}
-
-/// The type of `Context` that supports the `new` method.
-#[cfg(feature = "std-object")]
-pub type ObjectContext = Context<gimli::EndianRcSlice<gimli::RunTimeEndian>>;
-
-#[cfg(feature = "std-object")]
-impl Context<gimli::EndianRcSlice<gimli::RunTimeEndian>> {
-    /// Construct a new `Context`.
-    ///
-    /// The resulting `Context` uses `gimli::EndianRcSlice<gimli::RunTimeEndian>`.
-    /// This means it is not thread safe, has no lifetime constraints (since it copies
-    /// the input data), and works for any endianity.
-    ///
-    /// Performance sensitive applications may want to use `Context::from_dwarf`
-    /// with a more specialised `gimli::Reader` implementation.
-    #[inline]
-    pub fn new<'data: 'file, 'file, O: object::Object<'data, 'file>>(
-        file: &'file O,
-    ) -> Result<Self, Error> {
-        Self::new_with_sup(file, None)
-    }
-
-    /// Construct a new `Context`.
-    ///
-    /// Optionally also use a supplementary object file.
-    ///
-    /// The resulting `Context` uses `gimli::EndianRcSlice<gimli::RunTimeEndian>`.
-    /// This means it is not thread safe, has no lifetime constraints (since it copies
-    /// the input data), and works for any endianity.
-    ///
-    /// Performance sensitive applications may want to use `Context::from_dwarf`
-    /// with a more specialised `gimli::Reader` implementation.
-    pub fn new_with_sup<'data: 'file, 'file, O: object::Object<'data, 'file>>(
-        file: &'file O,
-        sup_file: Option<&'file O>,
-    ) -> Result<Self, Error> {
-        let endian = if file.is_little_endian() {
-            gimli::RunTimeEndian::Little
-        } else {
-            gimli::RunTimeEndian::Big
-        };
-
-        fn load_section<'data: 'file, 'file, O, Endian>(
-            id: gimli::SectionId,
-            file: &'file O,
-            endian: Endian,
-        ) -> Result<gimli::EndianRcSlice<Endian>, Error>
-        where
-            O: object::Object<'data, 'file>,
-            Endian: gimli::Endianity,
-        {
-            use object::ObjectSection;
-
-            let data = file
-                .section_by_name(id.name())
-                .and_then(|section| section.uncompressed_data().ok())
-                .unwrap_or(Cow::Borrowed(&[]));
-            Ok(gimli::EndianRcSlice::new(Rc::from(&*data), endian))
-        }
-
-        let mut dwarf = gimli::Dwarf::load(|id| load_section(id, file, endian))?;
-        if let Some(sup_file) = sup_file {
-            dwarf.load_sup(|id| load_section(id, sup_file, endian))?;
-        }
-        Context::from_dwarf(dwarf)
-    }
-}
-
-impl<R: gimli::Reader> Context<R> {
-    /// Construct a new `Context` from DWARF sections.
-    ///
-    /// This method does not support using a supplementary object file.
-    pub fn from_sections(
-        debug_abbrev: gimli::DebugAbbrev<R>,
-        debug_addr: gimli::DebugAddr<R>,
-        debug_aranges: gimli::DebugAranges<R>,
-        debug_info: gimli::DebugInfo<R>,
-        debug_line: gimli::DebugLine<R>,
-        debug_line_str: gimli::DebugLineStr<R>,
-        debug_ranges: gimli::DebugRanges<R>,
-        debug_rnglists: gimli::DebugRngLists<R>,
-        debug_str: gimli::DebugStr<R>,
-        debug_str_offsets: gimli::DebugStrOffsets<R>,
-        default_section: R,
-    ) -> Result<Self, Error> {
-        Self::from_dwarf(gimli::Dwarf {
-            debug_abbrev,
-            debug_addr,
-            debug_aranges,
-            debug_info,
-            debug_line,
-            debug_line_str,
-            debug_str,
-            debug_str_offsets,
-            debug_types: default_section.clone().into(),
-            locations: gimli::LocationLists::new(
-                default_section.clone().into(),
-                default_section.into(),
-            ),
-            ranges: gimli::RangeLists::new(debug_ranges, debug_rnglists),
-            file_type: gimli::DwarfFileType::Main,
-            sup: None,
-            abbreviations_cache: gimli::AbbreviationsCache::new(),
-        })
-    }
-
-    /// Construct a new `Context` from an existing [`gimli::Dwarf`] object.
-    #[inline]
-    pub fn from_dwarf(sections: gimli::Dwarf<R>) -> Result<Context<R>, Error> {
-        let sections = Arc::new(sections);
-        let (unit_ranges, units) = Context::parse_units(&sections)?;
-        let sup_units = if let Some(sup) = sections.sup.as_ref() {
-            Context::parse_sup(sup)?
-        } else {
-            Vec::new()
-        };
-        Ok(Context {
-            sections,
-            unit_ranges: unit_ranges.into_boxed_slice(),
-            units: units.into_boxed_slice(),
-            sup_units: sup_units.into_boxed_slice(),
-        })
-    }
-
-    /// Finds the CUs for the function address given.
-    ///
-    /// There might be multiple CUs whose range contains this address.
-    /// Weak symbols have shown up in the wild which cause this to happen
-    /// but otherwise this can happen if the CU has non-contiguous functions
-    /// but only reports a single range.
-    ///
-    /// Consequently we return an iterator for all CUs which may contain the
-    /// address, and the caller must check if there is actually a function or
-    /// location in the CU for that address.
-    fn find_units(&self, probe: u64) -> impl Iterator<Item = &ResUnit<R>> {
-        self.find_units_range(probe, probe + 1)
-            .map(|(unit, _range)| unit)
-    }
-
-    /// Finds the CUs covering the range of addresses given.
-    ///
-    /// The range is [low, high) (ie, the upper bound is exclusive). This can return multiple
-    /// ranges for the same unit.
-    #[inline]
-    fn find_units_range(
-        &self,
-        probe_low: u64,
-        probe_high: u64,
-    ) -> impl Iterator<Item = (&ResUnit<R>, &gimli::Range)> {
-        // First up find the position in the array which could have our function
-        // address.
-        let pos = match self
-            .unit_ranges
-            .binary_search_by_key(&probe_high, |i| i.range.begin)
-        {
-            // Although unlikely, we could find an exact match.
-            Ok(i) => i + 1,
-            // No exact match was found, but this probe would fit at slot `i`.
-            // This means that slot `i` is bigger than `probe`, along with all
-            // indices greater than `i`, so we need to search all previous
-            // entries.
-            Err(i) => i,
-        };
-
-        // Once we have our index we iterate backwards from that position
-        // looking for a matching CU.
-        self.unit_ranges[..pos]
-            .iter()
-            .rev()
-            .take_while(move |i| {
-                // We know that this CU's start is beneath the probe already because
-                // of our sorted array.
-                debug_assert!(i.range.begin <= probe_high);
-
-                // Each entry keeps track of the maximum end address seen so far,
-                // starting from the beginning of the array of unit ranges. We're
-                // iterating in reverse so if our probe is beyond the maximum range
-                // of this entry, then it's guaranteed to not fit in any prior
-                // entries, so we break out.
-                probe_low < i.max_end
-            })
-            .filter_map(move |i| {
-                // If this CU doesn't actually contain this address, move to the
-                // next CU.
-                if probe_low >= i.range.end || probe_high <= i.range.begin {
-                    return None;
-                }
-                Some((&self.units[i.unit_id], &i.range))
-            })
-    }
-
-    /// Find the DWARF unit corresponding to the given virtual memory address.
-    pub fn find_dwarf_and_unit(
-        &self,
-        probe: u64,
-    ) -> LookupResult<
-        impl LookupContinuation<Output = Option<(&gimli::Dwarf<R>, &gimli::Unit<R>)>, Buf = R>,
-    > {
-        let mut units_iter = self.find_units(probe);
-        if let Some(unit) = units_iter.next() {
-            return LoopingLookup::new_lookup(
-                unit.find_function_or_location(probe, self),
-                move |r| {
-                    ControlFlow::Break(match r {
-                        Ok((Some(_), _)) | Ok((_, Some(_))) => {
-                            let (_file, sections, unit) = unit
-                                .dwarf_and_unit_dwo(self)
-                                // We've already been through both error cases here to get to this point.
-                                .unwrap()
-                                .unwrap();
-                            Some((sections, unit))
-                        }
-                        _ => match units_iter.next() {
-                            Some(next_unit) => {
-                                return ControlFlow::Continue(
-                                    next_unit.find_function_or_location(probe, self),
-                                );
-                            }
-                            None => None,
-                        },
-                    })
-                },
-            );
-        }
-
-        LoopingLookup::new_complete(None)
-    }
-
-    /// Find the source file and line corresponding to the given virtual memory address.
-    pub fn find_location(&self, probe: u64) -> Result<Option<Location<'_>>, Error> {
-        for unit in self.find_units(probe) {
-            if let Some(location) = unit.find_location(probe, &self.sections)? {
-                return Ok(Some(location));
-            }
-        }
-        Ok(None)
-    }
-
-    /// Return source file and lines for a range of addresses. For each location it also
-    /// returns the address and size of the range of the underlying instructions.
-    pub fn find_location_range(
-        &self,
-        probe_low: u64,
-        probe_high: u64,
-    ) -> Result<LocationRangeIter<'_, R>, Error> {
-        LocationRangeIter::new(self, probe_low, probe_high)
-    }
-
-    /// Return an iterator for the function frames corresponding to the given virtual
-    /// memory address.
-    ///
-    /// If the probe address is not for an inline function then only one frame is
-    /// returned.
-    ///
-    /// If the probe address is for an inline function then the first frame corresponds
-    /// to the innermost inline function.  Subsequent frames contain the caller and call
-    /// location, until an non-inline caller is reached.
-    pub fn find_frames(
-        &self,
-        probe: u64,
-    ) -> LookupResult<impl LookupContinuation<Output = Result<FrameIter<'_, R>, Error>, Buf = R>>
-    {
-        let mut units_iter = self.find_units(probe);
-        if let Some(unit) = units_iter.next() {
-            LoopingLookup::new_lookup(unit.find_function_or_location(probe, self), move |r| {
-                ControlFlow::Break(match r {
-                    Err(e) => Err(e),
-                    Ok((Some(function), location)) => {
-                        let inlined_functions = function.find_inlined_functions(probe);
-                        Ok(FrameIter(FrameIterState::Frames(FrameIterFrames {
-                            unit,
-                            sections: &self.sections,
-                            function,
-                            inlined_functions,
-                            next: location,
-                        })))
-                    }
-                    Ok((None, Some(location))) => {
-                        Ok(FrameIter(FrameIterState::Location(Some(location))))
-                    }
-                    Ok((None, None)) => match units_iter.next() {
-                        Some(next_unit) => {
-                            return ControlFlow::Continue(
-                                next_unit.find_function_or_location(probe, self),
-                            );
-                        }
-                        None => Ok(FrameIter(FrameIterState::Empty)),
-                    },
-                })
-            })
-        } else {
-            LoopingLookup::new_complete(Ok(FrameIter(FrameIterState::Empty)))
-        }
-    }
-
-    /// Preload units for `probe`.
-    ///
-    /// The iterator returns pairs of `SplitDwarfLoad`s containing the
-    /// information needed to locate and load split DWARF for `probe` and
-    /// a matching callback to invoke once that data is available.
-    ///
-    /// If this method is called, and all of the returned closures are invoked,
-    /// addr2line guarantees that any future API call for the address `probe`
-    /// will not require the loading of any split DWARF.
-    ///
-    /// ```no_run
-    ///   # use addr2line::*;
-    ///   # use std::sync::Arc;
-    ///   # let ctx: Context<gimli::EndianRcSlice<gimli::RunTimeEndian>> = todo!();
-    ///   # let do_split_dwarf_load = |load: SplitDwarfLoad<gimli::EndianRcSlice<gimli::RunTimeEndian>>| -> Option<Arc<gimli::Dwarf<gimli::EndianRcSlice<gimli::RunTimeEndian>>>> { None };
-    ///   const ADDRESS: u64 = 0xdeadbeef;
-    ///   ctx.preload_units(ADDRESS).for_each(|(load, callback)| {
-    ///     let dwo = do_split_dwarf_load(load);
-    ///     callback(dwo);
-    ///   });
-    ///
-    ///   let frames_iter = match ctx.find_frames(ADDRESS) {
-    ///     LookupResult::Output(result) => result,
-    ///     LookupResult::Load { .. } => unreachable!("addr2line promised we wouldn't get here"),
-    ///   };
-    ///
-    ///   // ...
-    /// ```
-    pub fn preload_units(
-        &'_ self,
-        probe: u64,
-    ) -> impl Iterator<
-        Item = (
-            SplitDwarfLoad<R>,
-            impl FnOnce(Option<Arc<gimli::Dwarf<R>>>) -> Result<(), gimli::Error> + '_,
-        ),
-    > {
-        self.find_units(probe)
-            .filter_map(move |unit| match unit.dwarf_and_unit_dwo(self) {
-                LookupResult::Output(_) => None,
-                LookupResult::Load { load, continuation } => Some((load, |result| {
-                    continuation.resume(result).unwrap().map(|_| ())
-                })),
-            })
-    }
-
-    /// Initialize all line data structures. This is used for benchmarks.
-    #[doc(hidden)]
-    pub fn parse_lines(&self) -> Result<(), Error> {
-        for unit in self.units.iter() {
-            unit.parse_lines(&self.sections)?;
-        }
-        Ok(())
-    }
-
-    /// Initialize all function data structures. This is used for benchmarks.
-    #[doc(hidden)]
-    pub fn parse_functions(&self) -> Result<(), Error> {
-        for unit in self.units.iter() {
-            unit.parse_functions(self).skip_all_loads()?;
-        }
-        Ok(())
-    }
-
-    /// Initialize all inlined function data structures. This is used for benchmarks.
-    #[doc(hidden)]
-    pub fn parse_inlined_functions(&self) -> Result<(), Error> {
-        for unit in self.units.iter() {
-            unit.parse_inlined_functions(self).skip_all_loads()?;
-        }
-        Ok(())
-    }
-}
-
-struct UnitRange {
-    unit_id: usize,
-    max_end: u64,
-    range: gimli::Range,
-}
-
-struct ResUnit<R: gimli::Reader> {
-    offset: gimli::DebugInfoOffset<R::Offset>,
-    dw_unit: gimli::Unit<R>,
-    lang: Option<gimli::DwLang>,
-    lines: LazyCell<Result<Lines, Error>>,
-    funcs: LazyCell<Result<Functions<R>, Error>>,
-    dwo: LazyCell<Result<Option<Box<(Arc<gimli::Dwarf<R>>, gimli::Unit<R>)>>, Error>>,
-}
-
-struct SupUnit<R: gimli::Reader> {
-    offset: gimli::DebugInfoOffset<R::Offset>,
-    dw_unit: gimli::Unit<R>,
-}
-
-impl<R: gimli::Reader> Context<R> {
-    fn parse_units(sections: &gimli::Dwarf<R>) -> Result<(Vec<UnitRange>, Vec<ResUnit<R>>), Error> {
-        // Find all the references to compilation units in .debug_aranges.
-        // Note that we always also iterate through all of .debug_info to
-        // find compilation units, because .debug_aranges may be missing some.
-        let mut aranges = Vec::new();
-        let mut headers = sections.debug_aranges.headers();
-        while let Some(header) = headers.next()? {
-            aranges.push((header.debug_info_offset(), header.offset()));
-        }
-        aranges.sort_by_key(|i| i.0);
-
-        let mut unit_ranges = Vec::new();
-        let mut res_units = Vec::new();
-        let mut units = sections.units();
-        while let Some(header) = units.next()? {
-            let unit_id = res_units.len();
-            let offset = match header.offset().as_debug_info_offset() {
-                Some(offset) => offset,
-                None => continue,
-            };
-            // We mainly want compile units, but we may need to follow references to entries
-            // within other units for function names.  We don't need anything from type units.
-            match header.type_() {
-                gimli::UnitType::Type { .. } | gimli::UnitType::SplitType { .. } => continue,
-                _ => {}
-            }
-            let dw_unit = match sections.unit(header) {
-                Ok(dw_unit) => dw_unit,
-                Err(_) => continue,
-            };
-
-            let mut lang = None;
-            let mut have_unit_range = false;
-            {
-                let mut entries = dw_unit.entries_raw(None)?;
-
-                let abbrev = match entries.read_abbreviation()? {
-                    Some(abbrev) => abbrev,
-                    None => continue,
-                };
-
-                let mut ranges = RangeAttributes::default();
-                for spec in abbrev.attributes() {
-                    let attr = entries.read_attribute(*spec)?;
-                    match attr.name() {
-                        gimli::DW_AT_low_pc => match attr.value() {
-                            gimli::AttributeValue::Addr(val) => ranges.low_pc = Some(val),
-                            gimli::AttributeValue::DebugAddrIndex(index) => {
-                                ranges.low_pc = Some(sections.address(&dw_unit, index)?);
-                            }
-                            _ => {}
-                        },
-                        gimli::DW_AT_high_pc => match attr.value() {
-                            gimli::AttributeValue::Addr(val) => ranges.high_pc = Some(val),
-                            gimli::AttributeValue::DebugAddrIndex(index) => {
-                                ranges.high_pc = Some(sections.address(&dw_unit, index)?);
-                            }
-                            gimli::AttributeValue::Udata(val) => ranges.size = Some(val),
-                            _ => {}
-                        },
-                        gimli::DW_AT_ranges => {
-                            ranges.ranges_offset =
-                                sections.attr_ranges_offset(&dw_unit, attr.value())?;
-                        }
-                        gimli::DW_AT_language => {
-                            if let gimli::AttributeValue::Language(val) = attr.value() {
-                                lang = Some(val);
-                            }
-                        }
-                        _ => {}
-                    }
-                }
-
-                // Find the address ranges for the CU, using in order of preference:
-                // - DW_AT_ranges
-                // - .debug_aranges
-                // - DW_AT_low_pc/DW_AT_high_pc
-                //
-                // Using DW_AT_ranges before .debug_aranges is possibly an arbitrary choice,
-                // but the feeling is that DW_AT_ranges is more likely to be reliable or complete
-                // if it is present.
-                //
-                // .debug_aranges must be used before DW_AT_low_pc/DW_AT_high_pc because
-                // it has been observed on macOS that DW_AT_ranges was not emitted even for
-                // discontiguous CUs.
-                let i = match ranges.ranges_offset {
-                    Some(_) => None,
-                    None => aranges.binary_search_by_key(&offset, |x| x.0).ok(),
-                };
-                if let Some(mut i) = i {
-                    // There should be only one set per CU, but in practice multiple
-                    // sets have been observed. This is probably a compiler bug, but
-                    // either way we need to handle it.
-                    while i > 0 && aranges[i - 1].0 == offset {
-                        i -= 1;
-                    }
-                    for (_, aranges_offset) in aranges[i..].iter().take_while(|x| x.0 == offset) {
-                        let aranges_header = sections.debug_aranges.header(*aranges_offset)?;
-                        let mut aranges = aranges_header.entries();
-                        while let Some(arange) = aranges.next()? {
-                            if arange.length() != 0 {
-                                unit_ranges.push(UnitRange {
-                                    range: arange.range(),
-                                    unit_id,
-                                    max_end: 0,
-                                });
-                                have_unit_range = true;
-                            }
-                        }
-                    }
-                } else {
-                    have_unit_range |= ranges.for_each_range(sections, &dw_unit, |range| {
-                        unit_ranges.push(UnitRange {
-                            range,
-                            unit_id,
-                            max_end: 0,
-                        });
-                    })?;
-                }
-            }
-
-            let lines = LazyCell::new();
-            if !have_unit_range {
-                // The unit did not declare any ranges.
-                // Try to get some ranges from the line program sequences.
-                if let Some(ref ilnp) = dw_unit.line_program {
-                    if let Ok(lines) = lines
-                        .borrow_with(|| Lines::parse(&dw_unit, ilnp.clone(), sections))
-                        .as_ref()
-                    {
-                        for sequence in lines.sequences.iter() {
-                            unit_ranges.push(UnitRange {
-                                range: gimli::Range {
-                                    begin: sequence.start,
-                                    end: sequence.end,
-                                },
-                                unit_id,
-                                max_end: 0,
-                            })
-                        }
-                    }
-                }
-            }
-
-            res_units.push(ResUnit {
-                offset,
-                dw_unit,
-                lang,
-                lines,
-                funcs: LazyCell::new(),
-                dwo: LazyCell::new(),
-            });
-        }
-
-        // Sort this for faster lookup in `find_unit_and_address` below.
-        unit_ranges.sort_by_key(|i| i.range.begin);
-
-        // Calculate the `max_end` field now that we've determined the order of
-        // CUs.
-        let mut max = 0;
-        for i in unit_ranges.iter_mut() {
-            max = max.max(i.range.end);
-            i.max_end = max;
-        }
-
-        Ok((unit_ranges, res_units))
-    }
-
-    fn parse_sup(sections: &gimli::Dwarf<R>) -> Result<Vec<SupUnit<R>>, Error> {
-        let mut sup_units = Vec::new();
-        let mut units = sections.units();
-        while let Some(header) = units.next()? {
-            let offset = match header.offset().as_debug_info_offset() {
-                Some(offset) => offset,
-                None => continue,
-            };
-            let dw_unit = match sections.unit(header) {
-                Ok(dw_unit) => dw_unit,
-                Err(_) => continue,
-            };
-            sup_units.push(SupUnit { dw_unit, offset });
-        }
-        Ok(sup_units)
-    }
-
-    // Find the unit containing the given offset, and convert the offset into a unit offset.
-    fn find_unit(
-        &self,
-        offset: gimli::DebugInfoOffset<R::Offset>,
-        file: DebugFile,
-    ) -> Result<(&gimli::Unit<R>, gimli::UnitOffset<R::Offset>), Error> {
-        let unit = match file {
-            DebugFile::Primary => {
-                match self
-                    .units
-                    .binary_search_by_key(&offset.0, |unit| unit.offset.0)
-                {
-                    // There is never a DIE at the unit offset or before the first unit.
-                    Ok(_) | Err(0) => return Err(gimli::Error::NoEntryAtGivenOffset),
-                    Err(i) => &self.units[i - 1].dw_unit,
-                }
-            }
-            DebugFile::Supplementary => {
-                match self
-                    .sup_units
-                    .binary_search_by_key(&offset.0, |unit| unit.offset.0)
-                {
-                    // There is never a DIE at the unit offset or before the first unit.
-                    Ok(_) | Err(0) => return Err(gimli::Error::NoEntryAtGivenOffset),
-                    Err(i) => &self.sup_units[i - 1].dw_unit,
-                }
-            }
-            DebugFile::Dwo => return Err(gimli::Error::NoEntryAtGivenOffset),
-        };
-
-        let unit_offset = offset
-            .to_unit_offset(&unit.header)
-            .ok_or(gimli::Error::NoEntryAtGivenOffset)?;
-        Ok((unit, unit_offset))
-    }
-}
-
-struct Lines {
-    files: Box<[String]>,
-    sequences: Box<[LineSequence]>,
-}
-
-impl Lines {
-    fn parse<R: gimli::Reader>(
-        dw_unit: &gimli::Unit<R>,
-        ilnp: gimli::IncompleteLineProgram<R, R::Offset>,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<Self, Error> {
-        let mut sequences = Vec::new();
-        let mut sequence_rows = Vec::<LineRow>::new();
-        let mut rows = ilnp.rows();
-        while let Some((_, row)) = rows.next_row()? {
-            if row.end_sequence() {
-                if let Some(start) = sequence_rows.first().map(|x| x.address) {
-                    let end = row.address();
-                    let mut rows = Vec::new();
-                    mem::swap(&mut rows, &mut sequence_rows);
-                    sequences.push(LineSequence {
-                        start,
-                        end,
-                        rows: rows.into_boxed_slice(),
-                    });
-                }
-                continue;
-            }
-
-            let address = row.address();
-            let file_index = row.file_index();
-            let line = row.line().map(NonZeroU64::get).unwrap_or(0) as u32;
-            let column = match row.column() {
-                gimli::ColumnType::LeftEdge => 0,
-                gimli::ColumnType::Column(x) => x.get() as u32,
-            };
-
-            if let Some(last_row) = sequence_rows.last_mut() {
-                if last_row.address == address {
-                    last_row.file_index = file_index;
-                    last_row.line = line;
-                    last_row.column = column;
-                    continue;
-                }
-            }
-
-            sequence_rows.push(LineRow {
-                address,
-                file_index,
-                line,
-                column,
-            });
-        }
-        sequences.sort_by_key(|x| x.start);
-
-        let mut files = Vec::new();
-        let header = rows.header();
-        match header.file(0) {
-            Some(file) => files.push(render_file(dw_unit, file, header, sections)?),
-            None => files.push(String::from("")), // DWARF version <= 4 may not have 0th index
-        }
-        let mut index = 1;
-        while let Some(file) = header.file(index) {
-            files.push(render_file(dw_unit, file, header, sections)?);
-            index += 1;
-        }
-
-        Ok(Self {
-            files: files.into_boxed_slice(),
-            sequences: sequences.into_boxed_slice(),
-        })
-    }
-}
-
-fn render_file<R: gimli::Reader>(
-    dw_unit: &gimli::Unit<R>,
-    file: &gimli::FileEntry<R, R::Offset>,
-    header: &gimli::LineProgramHeader<R, R::Offset>,
-    sections: &gimli::Dwarf<R>,
-) -> Result<String, gimli::Error> {
-    let mut path = if let Some(ref comp_dir) = dw_unit.comp_dir {
-        comp_dir.to_string_lossy()?.into_owned()
-    } else {
-        String::new()
-    };
-
-    // The directory index 0 is defined to correspond to the compilation unit directory.
-    if file.directory_index() != 0 {
-        if let Some(directory) = file.directory(header) {
-            path_push(
-                &mut path,
-                sections
-                    .attr_string(dw_unit, directory)?
-                    .to_string_lossy()?
-                    .as_ref(),
-            );
-        }
-    }
-
-    path_push(
-        &mut path,
-        sections
-            .attr_string(dw_unit, file.path_name())?
-            .to_string_lossy()?
-            .as_ref(),
-    );
-
-    Ok(path)
-}
-
-struct LineSequence {
-    start: u64,
-    end: u64,
-    rows: Box<[LineRow]>,
-}
-
-struct LineRow {
-    address: u64,
-    file_index: u64,
-    line: u32,
-    column: u32,
-}
-
-/// This struct contains the information needed to find split DWARF data
-/// and to produce a `gimli::Dwarf<R>` for it.
-pub struct SplitDwarfLoad<R> {
-    /// The dwo id, for looking up in a DWARF package, or for
-    /// verifying an unpacked dwo found on the file system
-    pub dwo_id: gimli::DwoId,
-    /// The compilation directory `path` is relative to.
-    pub comp_dir: Option<R>,
-    /// A path on the filesystem, relative to `comp_dir` to find this dwo.
-    pub path: Option<R>,
-    /// Once the split DWARF data is loaded, the loader is expected
-    /// to call [make_dwo(parent)](gimli::read::Dwarf::make_dwo) before
-    /// returning the data.
-    pub parent: Arc<gimli::Dwarf<R>>,
-}
-
-struct SimpleLookup<T, R, F>
-where
-    F: FnOnce(Option<Arc<gimli::Dwarf<R>>>) -> T,
-    R: gimli::Reader,
-{
-    f: F,
-    phantom: PhantomData<(T, R)>,
-}
-
-impl<T, R, F> SimpleLookup<T, R, F>
-where
-    F: FnOnce(Option<Arc<gimli::Dwarf<R>>>) -> T,
-    R: gimli::Reader,
-{
-    fn new_complete(t: F::Output) -> LookupResult<SimpleLookup<T, R, F>> {
-        LookupResult::Output(t)
-    }
-
-    fn new_needs_load(load: SplitDwarfLoad<R>, f: F) -> LookupResult<SimpleLookup<T, R, F>> {
-        LookupResult::Load {
-            load,
-            continuation: SimpleLookup {
-                f,
-                phantom: PhantomData,
-            },
-        }
-    }
-}
-
-impl<T, R, F> LookupContinuation for SimpleLookup<T, R, F>
-where
-    F: FnOnce(Option<Arc<gimli::Dwarf<R>>>) -> T,
-    R: gimli::Reader,
-{
-    type Output = T;
-    type Buf = R;
-
-    fn resume(self, v: Option<Arc<gimli::Dwarf<Self::Buf>>>) -> LookupResult<Self> {
-        LookupResult::Output((self.f)(v))
-    }
-}
-
-struct MappedLookup<T, L, F>
-where
-    L: LookupContinuation,
-    F: FnOnce(L::Output) -> T,
-{
-    original: L,
-    mutator: F,
-}
-
-impl<T, L, F> LookupContinuation for MappedLookup<T, L, F>
-where
-    L: LookupContinuation,
-    F: FnOnce(L::Output) -> T,
-{
-    type Output = T;
-    type Buf = L::Buf;
-
-    fn resume(self, v: Option<Arc<gimli::Dwarf<Self::Buf>>>) -> LookupResult<Self> {
-        match self.original.resume(v) {
-            LookupResult::Output(t) => LookupResult::Output((self.mutator)(t)),
-            LookupResult::Load { load, continuation } => LookupResult::Load {
-                load,
-                continuation: MappedLookup {
-                    original: continuation,
-                    mutator: self.mutator,
-                },
-            },
-        }
-    }
-}
-
-/// Some functions (e.g. `find_frames`) require considering multiple
-/// compilation units, each of which might require their own split DWARF
-/// lookup (and thus produce a continuation).
-///
-/// We store the underlying continuation here as well as a mutator function
-/// that will either a) decide that the result of this continuation is
-/// what is needed and mutate it to the final result or b) produce another
-/// `LookupResult`. `new_lookup` will in turn eagerly drive any non-continuation
-/// `LookupResult` with successive invocations of the mutator, until a new
-/// continuation or a final result is produced. And finally, the impl of
-/// `LookupContinuation::resume` will call `new_lookup` each time the
-/// computation is resumed.
-struct LoopingLookup<T, L, F>
-where
-    L: LookupContinuation,
-    F: FnMut(L::Output) -> ControlFlow<T, LookupResult<L>>,
-{
-    continuation: L,
-    mutator: F,
-}
-
-impl<T, L, F> LoopingLookup<T, L, F>
-where
-    L: LookupContinuation,
-    F: FnMut(L::Output) -> ControlFlow<T, LookupResult<L>>,
-{
-    fn new_complete(t: T) -> LookupResult<Self> {
-        LookupResult::Output(t)
-    }
-
-    fn new_lookup(mut r: LookupResult<L>, mut mutator: F) -> LookupResult<Self> {
-        // Drive the loop eagerly so that we only ever have to represent one state
-        // (the r == ControlFlow::Continue state) in LoopingLookup.
-        loop {
-            match r {
-                LookupResult::Output(l) => match mutator(l) {
-                    ControlFlow::Break(t) => return LookupResult::Output(t),
-                    ControlFlow::Continue(r2) => {
-                        r = r2;
-                    }
-                },
-                LookupResult::Load { load, continuation } => {
-                    return LookupResult::Load {
-                        load,
-                        continuation: LoopingLookup {
-                            continuation,
-                            mutator,
-                        },
-                    };
-                }
-            }
-        }
-    }
-}
-
-impl<T, L, F> LookupContinuation for LoopingLookup<T, L, F>
-where
-    L: LookupContinuation,
-    F: FnMut(L::Output) -> ControlFlow<T, LookupResult<L>>,
-{
-    type Output = T;
-    type Buf = L::Buf;
-
-    fn resume(self, v: Option<Arc<gimli::Dwarf<Self::Buf>>>) -> LookupResult<Self> {
-        let r = self.continuation.resume(v);
-        LoopingLookup::new_lookup(r, self.mutator)
-    }
-}
-
-impl<R: gimli::Reader> ResUnit<R> {
-    fn dwarf_and_unit_dwo<'unit, 'ctx: 'unit>(
-        &'unit self,
-        ctx: &'ctx Context<R>,
-    ) -> LookupResult<
-        SimpleLookup<
-            Result<(DebugFile, &'unit gimli::Dwarf<R>, &'unit gimli::Unit<R>), Error>,
-            R,
-            impl FnOnce(
-                Option<Arc<gimli::Dwarf<R>>>,
-            )
-                -> Result<(DebugFile, &'unit gimli::Dwarf<R>, &'unit gimli::Unit<R>), Error>,
-        >,
-    > {
-        loop {
-            break SimpleLookup::new_complete(match self.dwo.borrow() {
-                Some(Ok(Some(v))) => Ok((DebugFile::Dwo, &*v.0, &v.1)),
-                Some(Ok(None)) => Ok((DebugFile::Primary, &*ctx.sections, &self.dw_unit)),
-                Some(Err(e)) => Err(*e),
-                None => {
-                    let dwo_id = match self.dw_unit.dwo_id {
-                        None => {
-                            self.dwo.borrow_with(|| Ok(None));
-                            continue;
-                        }
-                        Some(dwo_id) => dwo_id,
-                    };
-
-                    let comp_dir = self.dw_unit.comp_dir.clone();
-
-                    let dwo_name = self.dw_unit.dwo_name().and_then(|s| {
-                        if let Some(s) = s {
-                            Ok(Some(ctx.sections.attr_string(&self.dw_unit, s)?))
-                        } else {
-                            Ok(None)
-                        }
-                    });
-
-                    let path = match dwo_name {
-                        Ok(v) => v,
-                        Err(e) => {
-                            self.dwo.borrow_with(|| Err(e));
-                            continue;
-                        }
-                    };
-
-                    let process_dwo = move |dwo_dwarf: Option<Arc<gimli::Dwarf<R>>>| {
-                        let dwo_dwarf = match dwo_dwarf {
-                            None => return Ok(None),
-                            Some(dwo_dwarf) => dwo_dwarf,
-                        };
-                        let mut dwo_units = dwo_dwarf.units();
-                        let dwo_header = match dwo_units.next()? {
-                            Some(dwo_header) => dwo_header,
-                            None => return Ok(None),
-                        };
-
-                        let mut dwo_unit = dwo_dwarf.unit(dwo_header)?;
-                        dwo_unit.copy_relocated_attributes(&self.dw_unit);
-                        Ok(Some(Box::new((dwo_dwarf, dwo_unit))))
-                    };
-
-                    return SimpleLookup::new_needs_load(
-                        SplitDwarfLoad {
-                            dwo_id,
-                            comp_dir,
-                            path,
-                            parent: ctx.sections.clone(),
-                        },
-                        move |dwo_dwarf| match self.dwo.borrow_with(|| process_dwo(dwo_dwarf)) {
-                            Ok(Some(v)) => Ok((DebugFile::Dwo, &*v.0, &v.1)),
-                            Ok(None) => Ok((DebugFile::Primary, &*ctx.sections, &self.dw_unit)),
-                            Err(e) => Err(*e),
-                        },
-                    );
-                }
-            });
-        }
-    }
-
-    fn parse_lines(&self, sections: &gimli::Dwarf<R>) -> Result<Option<&Lines>, Error> {
-        // NB: line information is always stored in the main debug file so this does not need
-        // to handle DWOs.
-        let ilnp = match self.dw_unit.line_program {
-            Some(ref ilnp) => ilnp,
-            None => return Ok(None),
-        };
-        self.lines
-            .borrow_with(|| Lines::parse(&self.dw_unit, ilnp.clone(), sections))
-            .as_ref()
-            .map(Some)
-            .map_err(Error::clone)
-    }
-
-    fn parse_functions_dwarf_and_unit(
-        &self,
-        unit: &gimli::Unit<R>,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<&Functions<R>, Error> {
-        self.funcs
-            .borrow_with(|| Functions::parse(unit, sections))
-            .as_ref()
-            .map_err(Error::clone)
-    }
-
-    fn parse_functions<'unit, 'ctx: 'unit>(
-        &'unit self,
-        ctx: &'ctx Context<R>,
-    ) -> LookupResult<impl LookupContinuation<Output = Result<&'unit Functions<R>, Error>, Buf = R>>
-    {
-        self.dwarf_and_unit_dwo(ctx).map(move |r| {
-            let (_file, sections, unit) = r?;
-            self.parse_functions_dwarf_and_unit(unit, sections)
-        })
-    }
-    fn parse_inlined_functions<'unit, 'ctx: 'unit>(
-        &'unit self,
-        ctx: &'ctx Context<R>,
-    ) -> LookupResult<impl LookupContinuation<Output = Result<(), Error>, Buf = R> + 'unit> {
-        self.dwarf_and_unit_dwo(ctx).map(move |r| {
-            let (file, sections, unit) = r?;
-            self.funcs
-                .borrow_with(|| Functions::parse(unit, sections))
-                .as_ref()
-                .map_err(Error::clone)?
-                .parse_inlined_functions(file, unit, ctx, sections)
-        })
-    }
-
-    fn find_location(
-        &self,
-        probe: u64,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<Option<Location<'_>>, Error> {
-        if let Some(mut iter) = LocationRangeUnitIter::new(self, sections, probe, probe + 1)? {
-            match iter.next() {
-                None => Ok(None),
-                Some((_addr, _len, loc)) => Ok(Some(loc)),
-            }
-        } else {
-            Ok(None)
-        }
-    }
-
-    #[inline]
-    fn find_location_range(
-        &self,
-        probe_low: u64,
-        probe_high: u64,
-        sections: &gimli::Dwarf<R>,
-    ) -> Result<Option<LocationRangeUnitIter<'_>>, Error> {
-        LocationRangeUnitIter::new(self, sections, probe_low, probe_high)
-    }
-
-    fn find_function_or_location<'unit, 'ctx: 'unit>(
-        &'unit self,
-        probe: u64,
-        ctx: &'ctx Context<R>,
-    ) -> LookupResult<
-        impl LookupContinuation<
-            Output = Result<(Option<&'unit Function<R>>, Option<Location<'unit>>), Error>,
-            Buf = R,
-        >,
-    > {
-        self.dwarf_and_unit_dwo(ctx).map(move |r| {
-            let (file, sections, unit) = r?;
-            let functions = self.parse_functions_dwarf_and_unit(unit, sections)?;
-            let function = match functions.find_address(probe) {
-                Some(address) => {
-                    let function_index = functions.addresses[address].function;
-                    let (offset, ref function) = functions.functions[function_index];
-                    Some(
-                        function
-                            .borrow_with(|| Function::parse(offset, file, unit, ctx, sections))
-                            .as_ref()
-                            .map_err(Error::clone)?,
-                    )
-                }
-                None => None,
-            };
-            let location = self.find_location(probe, sections)?;
-            Ok((function, location))
-        })
-    }
-}
-
-/// Iterator over `Location`s in a range of addresses, returned by `Context::find_location_range`.
-pub struct LocationRangeIter<'ctx, R: gimli::Reader> {
-    unit_iter: Box<dyn Iterator<Item = (&'ctx ResUnit<R>, &'ctx gimli::Range)> + 'ctx>,
-    iter: Option<LocationRangeUnitIter<'ctx>>,
-
-    probe_low: u64,
-    probe_high: u64,
-    sections: &'ctx gimli::Dwarf<R>,
-}
-
-impl<'ctx, R: gimli::Reader> LocationRangeIter<'ctx, R> {
-    #[inline]
-    fn new(ctx: &'ctx Context<R>, probe_low: u64, probe_high: u64) -> Result<Self, Error> {
-        let sections = &ctx.sections;
-        let unit_iter = ctx.find_units_range(probe_low, probe_high);
-        Ok(Self {
-            unit_iter: Box::new(unit_iter),
-            iter: None,
-            probe_low,
-            probe_high,
-            sections,
-        })
-    }
-
-    fn next_loc(&mut self) -> Result<Option<(u64, u64, Location<'ctx>)>, Error> {
-        loop {
-            let iter = self.iter.take();
-            match iter {
-                None => match self.unit_iter.next() {
-                    Some((unit, range)) => {
-                        self.iter = unit.find_location_range(
-                            cmp::max(self.probe_low, range.begin),
-                            cmp::min(self.probe_high, range.end),
-                            self.sections,
-                        )?;
-                    }
-                    None => return Ok(None),
-                },
-                Some(mut iter) => {
-                    if let item @ Some(_) = iter.next() {
-                        self.iter = Some(iter);
-                        return Ok(item);
-                    }
-                }
-            }
-        }
-    }
-}
-
-impl<'ctx, R> Iterator for LocationRangeIter<'ctx, R>
-where
-    R: gimli::Reader + 'ctx,
-{
-    type Item = (u64, u64, Location<'ctx>);
-
-    #[inline]
-    fn next(&mut self) -> Option<Self::Item> {
-        match self.next_loc() {
-            Err(_) => None,
-            Ok(loc) => loc,
-        }
-    }
-}
-
-#[cfg(feature = "fallible-iterator")]
-impl<'ctx, R> fallible_iterator::FallibleIterator for LocationRangeIter<'ctx, R>
-where
-    R: gimli::Reader + 'ctx,
-{
-    type Item = (u64, u64, Location<'ctx>);
-    type Error = Error;
-
-    #[inline]
-    fn next(&mut self) -> Result<Option<Self::Item>, Self::Error> {
-        self.next_loc()
-    }
-}
-
-struct LocationRangeUnitIter<'ctx> {
-    lines: &'ctx Lines,
-    seqs: &'ctx [LineSequence],
-    seq_idx: usize,
-    row_idx: usize,
-    probe_high: u64,
-}
-
-impl<'ctx> LocationRangeUnitIter<'ctx> {
-    fn new<R: gimli::Reader>(
-        resunit: &'ctx ResUnit<R>,
-        sections: &gimli::Dwarf<R>,
-        probe_low: u64,
-        probe_high: u64,
-    ) -> Result<Option<Self>, Error> {
-        let lines = resunit.parse_lines(sections)?;
-
-        if let Some(lines) = lines {
-            // Find index for probe_low.
-            let seq_idx = lines.sequences.binary_search_by(|sequence| {
-                if probe_low < sequence.start {
-                    Ordering::Greater
-                } else if probe_low >= sequence.end {
-                    Ordering::Less
-                } else {
-                    Ordering::Equal
-                }
-            });
-            let seq_idx = match seq_idx {
-                Ok(x) => x,
-                Err(0) => 0, // probe below sequence, but range could overlap
-                Err(_) => lines.sequences.len(),
-            };
-
-            let row_idx = if let Some(seq) = lines.sequences.get(seq_idx) {
-                let idx = seq.rows.binary_search_by(|row| row.address.cmp(&probe_low));
-                match idx {
-                    Ok(x) => x,
-                    Err(0) => 0, // probe below sequence, but range could overlap
-                    Err(x) => x - 1,
-                }
-            } else {
-                0
-            };
-
-            Ok(Some(Self {
-                lines,
-                seqs: &*lines.sequences,
-                seq_idx,
-                row_idx,
-                probe_high,
-            }))
-        } else {
-            Ok(None)
-        }
-    }
-}
-
-impl<'ctx> Iterator for LocationRangeUnitIter<'ctx> {
-    type Item = (u64, u64, Location<'ctx>);
-
-    fn next(&mut self) -> Option<(u64, u64, Location<'ctx>)> {
-        while let Some(seq) = self.seqs.get(self.seq_idx) {
-            if seq.start >= self.probe_high {
-                break;
-            }
-
-            match seq.rows.get(self.row_idx) {
-                Some(row) => {
-                    if row.address >= self.probe_high {
-                        break;
-                    }
-
-                    let file = self
-                        .lines
-                        .files
-                        .get(row.file_index as usize)
-                        .map(String::as_str);
-                    let nextaddr = seq
-                        .rows
-                        .get(self.row_idx + 1)
-                        .map(|row| row.address)
-                        .unwrap_or(seq.end);
-
-                    let item = (
-                        row.address,
-                        nextaddr - row.address,
-                        Location {
-                            file,
-                            line: if row.line != 0 { Some(row.line) } else { None },
-                            column: if row.column != 0 {
-                                Some(row.column)
-                            } else {
-                                None
-                            },
-                        },
-                    );
-                    self.row_idx += 1;
-
-                    return Some(item);
-                }
-                None => {
-                    self.seq_idx += 1;
-                    self.row_idx = 0;
-                }
-            }
-        }
-        None
-    }
-}
-
-fn path_push(path: &mut String, p: &str) {
-    if has_unix_root(p) || has_windows_root(p) {
-        *path = p.to_string();
-    } else {
-        let dir_separator = if has_windows_root(path.as_str()) {
-            '\\'
-        } else {
-            '/'
-        };
-
-        if !path.is_empty() && !path.ends_with(dir_separator) {
-            path.push(dir_separator);
-        }
-        *path += p;
-    }
-}
-
-/// Check if the path in the given string has a unix style root
-fn has_unix_root(p: &str) -> bool {
-    p.starts_with('/')
-}
-
-/// Check if the path in the given string has a windows style root
-fn has_windows_root(p: &str) -> bool {
-    p.starts_with('\\') || p.get(1..3) == Some(":\\")
-}
-struct RangeAttributes<R: gimli::Reader> {
-    low_pc: Option<u64>,
-    high_pc: Option<u64>,
-    size: Option<u64>,
-    ranges_offset: Option<gimli::RangeListsOffset<<R as gimli::Reader>::Offset>>,
-}
-
-impl<R: gimli::Reader> Default for RangeAttributes<R> {
-    fn default() -> Self {
-        RangeAttributes {
-            low_pc: None,
-            high_pc: None,
-            size: None,
-            ranges_offset: None,
-        }
-    }
-}
-
-impl<R: gimli::Reader> RangeAttributes<R> {
-    fn for_each_range<F: FnMut(gimli::Range)>(
-        &self,
-        sections: &gimli::Dwarf<R>,
-        unit: &gimli::Unit<R>,
-        mut f: F,
-    ) -> Result<bool, Error> {
-        let mut added_any = false;
-        let mut add_range = |range: gimli::Range| {
-            if range.begin < range.end {
-                f(range);
-                added_any = true
-            }
-        };
-        if let Some(ranges_offset) = self.ranges_offset {
-            let mut range_list = sections.ranges(unit, ranges_offset)?;
-            while let Some(range) = range_list.next()? {
-                add_range(range);
-            }
-        } else if let (Some(begin), Some(end)) = (self.low_pc, self.high_pc) {
-            add_range(gimli::Range { begin, end });
-        } else if let (Some(begin), Some(size)) = (self.low_pc, self.size) {
-            add_range(gimli::Range {
-                begin,
-                end: begin + size,
-            });
-        }
-        Ok(added_any)
-    }
-}
-
-/// An iterator over function frames.
-pub struct FrameIter<'ctx, R>(FrameIterState<'ctx, R>)
-where
-    R: gimli::Reader;
-
-enum FrameIterState<'ctx, R>
-where
-    R: gimli::Reader,
-{
-    Empty,
-    Location(Option<Location<'ctx>>),
-    Frames(FrameIterFrames<'ctx, R>),
-}
-
-struct FrameIterFrames<'ctx, R>
-where
-    R: gimli::Reader,
-{
-    unit: &'ctx ResUnit<R>,
-    sections: &'ctx gimli::Dwarf<R>,
-    function: &'ctx Function<R>,
-    inlined_functions: iter::Rev<maybe_small::IntoIter<&'ctx InlinedFunction<R>>>,
-    next: Option<Location<'ctx>>,
-}
-
-impl<'ctx, R> FrameIter<'ctx, R>
-where
-    R: gimli::Reader + 'ctx,
-{
-    /// Advances the iterator and returns the next frame.
-    pub fn next(&mut self) -> Result<Option<Frame<'ctx, R>>, Error> {
-        let frames = match &mut self.0 {
-            FrameIterState::Empty => return Ok(None),
-            FrameIterState::Location(location) => {
-                // We can't move out of a mutable reference, so use `take` instead.
-                let location = location.take();
-                self.0 = FrameIterState::Empty;
-                return Ok(Some(Frame {
-                    dw_die_offset: None,
-                    function: None,
-                    location,
-                }));
-            }
-            FrameIterState::Frames(frames) => frames,
-        };
-
-        let loc = frames.next.take();
-        let func = match frames.inlined_functions.next() {
-            Some(func) => func,
-            None => {
-                let frame = Frame {
-                    dw_die_offset: Some(frames.function.dw_die_offset),
-                    function: frames.function.name.clone().map(|name| FunctionName {
-                        name,
-                        language: frames.unit.lang,
-                    }),
-                    location: loc,
-                };
-                self.0 = FrameIterState::Empty;
-                return Ok(Some(frame));
-            }
-        };
-
-        let mut next = Location {
-            file: None,
-            line: if func.call_line != 0 {
-                Some(func.call_line)
-            } else {
-                None
-            },
-            column: if func.call_column != 0 {
-                Some(func.call_column)
-            } else {
-                None
-            },
-        };
-        if let Some(call_file) = func.call_file {
-            if let Some(lines) = frames.unit.parse_lines(frames.sections)? {
-                next.file = lines.files.get(call_file as usize).map(String::as_str);
-            }
-        }
-        frames.next = Some(next);
-
-        Ok(Some(Frame {
-            dw_die_offset: Some(func.dw_die_offset),
-            function: func.name.clone().map(|name| FunctionName {
-                name,
-                language: frames.unit.lang,
-            }),
-            location: loc,
-        }))
-    }
-}
-
-#[cfg(feature = "fallible-iterator")]
-impl<'ctx, R> fallible_iterator::FallibleIterator for FrameIter<'ctx, R>
-where
-    R: gimli::Reader + 'ctx,
-{
-    type Item = Frame<'ctx, R>;
-    type Error = Error;
-
-    #[inline]
-    fn next(&mut self) -> Result<Option<Frame<'ctx, R>>, Error> {
-        self.next()
-    }
-}
-
-/// A function frame.
-pub struct Frame<'ctx, R: gimli::Reader> {
-    /// The DWARF unit offset corresponding to the DIE of the function.
-    pub dw_die_offset: Option<gimli::UnitOffset<R::Offset>>,
-    /// The name of the function.
-    pub function: Option<FunctionName<R>>,
-    /// The source location corresponding to this frame.
-    pub location: Option<Location<'ctx>>,
-}
-
-/// A function name.
-pub struct FunctionName<R: gimli::Reader> {
-    /// The name of the function.
-    pub name: R,
-    /// The language of the compilation unit containing this function.
-    pub language: Option<gimli::DwLang>,
-}
-
-impl<R: gimli::Reader> FunctionName<R> {
-    /// The raw name of this function before demangling.
-    pub fn raw_name(&self) -> Result<Cow<'_, str>, Error> {
-        self.name.to_string_lossy()
-    }
-
-    /// The name of this function after demangling (if applicable).
-    pub fn demangle(&self) -> Result<Cow<'_, str>, Error> {
-        self.raw_name().map(|x| demangle_auto(x, self.language))
-    }
-}
-
-/// Demangle a symbol name using the demangling scheme for the given language.
-///
-/// Returns `None` if demangling failed or is not required.
-#[allow(unused_variables)]
-pub fn demangle(name: &str, language: gimli::DwLang) -> Option<String> {
-    match language {
-        #[cfg(feature = "rustc-demangle")]
-        gimli::DW_LANG_Rust => rustc_demangle::try_demangle(name)
-            .ok()
-            .as_ref()
-            .map(|x| format!("{:#}", x)),
-        #[cfg(feature = "cpp_demangle")]
-        gimli::DW_LANG_C_plus_plus
-        | gimli::DW_LANG_C_plus_plus_03
-        | gimli::DW_LANG_C_plus_plus_11
-        | gimli::DW_LANG_C_plus_plus_14 => cpp_demangle::Symbol::new(name)
-            .ok()
-            .and_then(|x| x.demangle(&Default::default()).ok()),
-        _ => None,
-    }
-}
-
-/// Apply 'best effort' demangling of a symbol name.
-///
-/// If `language` is given, then only the demangling scheme for that language
-/// is used.
-///
-/// If `language` is `None`, then heuristics are used to determine how to
-/// demangle the name. Currently, these heuristics are very basic.
-///
-/// If demangling fails or is not required, then `name` is returned unchanged.
-pub fn demangle_auto(name: Cow<'_, str>, language: Option<gimli::DwLang>) -> Cow<'_, str> {
-    match language {
-        Some(language) => demangle(name.as_ref(), language),
-        None => demangle(name.as_ref(), gimli::DW_LANG_Rust)
-            .or_else(|| demangle(name.as_ref(), gimli::DW_LANG_C_plus_plus)),
-    }
-    .map(Cow::from)
-    .unwrap_or(name)
-}
-
-/// A source location.
-pub struct Location<'a> {
-    /// The file name.
-    pub file: Option<&'a str>,
-    /// The line number.
-    pub line: Option<u32>,
-    /// The column number.
-    pub column: Option<u32>,
-}
-
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn context_is_send() {
-        fn assert_is_send<T: Send>() {}
-        assert_is_send::<crate::Context<gimli::read::EndianSlice<'_, gimli::LittleEndian>>>();
-    }
-}
diff --git a/vendor/addr2line/tests/correctness.rs b/vendor/addr2line/tests/correctness.rs
deleted file mode 100644
index 73ee462..0000000
--- a/vendor/addr2line/tests/correctness.rs
+++ /dev/null
@@ -1,126 +0,0 @@
-use addr2line::Context;
-use fallible_iterator::FallibleIterator;
-use findshlibs::{IterationControl, SharedLibrary, TargetSharedLibrary};
-use object::Object;
-use std::borrow::Cow;
-use std::fs::File;
-use std::sync::Arc;
-
-fn find_debuginfo() -> memmap2::Mmap {
-    let path = std::env::current_exe().unwrap();
-    let file = File::open(&path).unwrap();
-    let map = unsafe { memmap2::Mmap::map(&file).unwrap() };
-    let file = &object::File::parse(&*map).unwrap();
-    if let Ok(uuid) = file.mach_uuid() {
-        for candidate in path.parent().unwrap().read_dir().unwrap() {
-            let path = candidate.unwrap().path();
-            if !path.to_str().unwrap().ends_with(".dSYM") {
-                continue;
-            }
-            for candidate in path.join("Contents/Resources/DWARF").read_dir().unwrap() {
-                let path = candidate.unwrap().path();
-                let file = File::open(&path).unwrap();
-                let map = unsafe { memmap2::Mmap::map(&file).unwrap() };
-                let file = &object::File::parse(&*map).unwrap();
-                if file.mach_uuid().unwrap() == uuid {
-                    return map;
-                }
-            }
-        }
-    }
-
-    return map;
-}
-
-#[test]
-fn correctness() {
-    let map = find_debuginfo();
-    let file = &object::File::parse(&*map).unwrap();
-    let module_base = file.relative_address_base();
-
-    let endian = if file.is_little_endian() {
-        gimli::RunTimeEndian::Little
-    } else {
-        gimli::RunTimeEndian::Big
-    };
-
-    fn load_section<'data: 'file, 'file, O, Endian>(
-        id: gimli::SectionId,
-        file: &'file O,
-        endian: Endian,
-    ) -> Result<gimli::EndianArcSlice<Endian>, gimli::Error>
-    where
-        O: object::Object<'data, 'file>,
-        Endian: gimli::Endianity,
-    {
-        use object::ObjectSection;
-
-        let data = file
-            .section_by_name(id.name())
-            .and_then(|section| section.uncompressed_data().ok())
-            .unwrap_or(Cow::Borrowed(&[]));
-        Ok(gimli::EndianArcSlice::new(Arc::from(&*data), endian))
-    }
-
-    let dwarf = gimli::Dwarf::load(|id| load_section(id, file, endian)).unwrap();
-    let ctx = Context::from_dwarf(dwarf).unwrap();
-    let mut split_dwarf_loader = addr2line::builtin_split_dwarf_loader::SplitDwarfLoader::new(
-        |data, endian| gimli::EndianArcSlice::new(Arc::from(&*data), endian),
-        None,
-    );
-
-    let mut bias = None;
-    TargetSharedLibrary::each(|lib| {
-        bias = Some((lib.virtual_memory_bias().0 as u64).wrapping_sub(module_base));
-        IterationControl::Break
-    });
-
-    #[allow(unused_mut)]
-    let mut test = |sym: u64, expected_prefix: &str| {
-        let ip = sym.wrapping_sub(bias.unwrap());
-
-        let frames = ctx.find_frames(ip);
-        let frames = split_dwarf_loader.run(frames).unwrap();
-        let frame = frames.last().unwrap().unwrap();
-        let name = frame.function.as_ref().unwrap().demangle().unwrap();
-        // Old rust versions generate DWARF with wrong linkage name,
-        // so only check the start.
-        if !name.starts_with(expected_prefix) {
-            panic!("incorrect name '{}', expected {:?}", name, expected_prefix);
-        }
-    };
-
-    test(test_function as u64, "correctness::test_function");
-    test(
-        small::test_function as u64,
-        "correctness::small::test_function",
-    );
-    test(auxiliary::foo as u64, "auxiliary::foo");
-}
-
-mod small {
-    pub fn test_function() {
-        println!("y");
-    }
-}
-
-fn test_function() {
-    println!("x");
-}
-
-#[test]
-fn zero_function() {
-    let map = find_debuginfo();
-    let file = &object::File::parse(&*map).unwrap();
-    let ctx = Context::new(file).unwrap();
-    for probe in 0..10 {
-        assert!(
-            ctx.find_frames(probe)
-                .skip_all_loads()
-                .unwrap()
-                .count()
-                .unwrap()
-                < 10
-        );
-    }
-}
diff --git a/vendor/addr2line/tests/output_equivalence.rs b/vendor/addr2line/tests/output_equivalence.rs
deleted file mode 100644
index ef026e3..0000000
--- a/vendor/addr2line/tests/output_equivalence.rs
+++ /dev/null
@@ -1,135 +0,0 @@
-use std::env;
-use std::ffi::OsStr;
-use std::path::Path;
-use std::process::Command;
-
-use backtrace::Backtrace;
-use findshlibs::{IterationControl, SharedLibrary, TargetSharedLibrary};
-use libtest_mimic::{Arguments, Failed, Trial};
-
-#[inline(never)]
-fn make_trace() -> Vec<String> {
-    fn foo() -> Backtrace {
-        bar()
-    }
-    #[inline(never)]
-    fn bar() -> Backtrace {
-        baz()
-    }
-    #[inline(always)]
-    fn baz() -> Backtrace {
-        Backtrace::new_unresolved()
-    }
-
-    let mut base_addr = None;
-    TargetSharedLibrary::each(|lib| {
-        base_addr = Some(lib.virtual_memory_bias().0 as isize);
-        IterationControl::Break
-    });
-    let addrfix = -base_addr.unwrap();
-
-    let trace = foo();
-    trace
-        .frames()
-        .iter()
-        .take(5)
-        .map(|x| format!("{:p}", (x.ip() as *const u8).wrapping_offset(addrfix)))
-        .collect()
-}
-
-fn run_cmd<P: AsRef<OsStr>>(exe: P, me: &Path, flags: Option<&str>, trace: &str) -> String {
-    let mut cmd = Command::new(exe);
-    cmd.env("LC_ALL", "C"); // GNU addr2line is localized, we aren't
-    cmd.env("RUST_BACKTRACE", "1"); // if a child crashes, we want to know why
-
-    if let Some(flags) = flags {
-        cmd.arg(flags);
-    }
-    cmd.arg("--exe").arg(me).arg(trace);
-
-    let output = cmd.output().unwrap();
-
-    assert!(output.status.success());
-    String::from_utf8(output.stdout).unwrap()
-}
-
-fn run_test(flags: Option<&str>) -> Result<(), Failed> {
-    let me = env::current_exe().unwrap();
-    let mut exe = me.clone();
-    assert!(exe.pop());
-    if exe.file_name().unwrap().to_str().unwrap() == "deps" {
-        assert!(exe.pop());
-    }
-    exe.push("examples");
-    exe.push("addr2line");
-
-    assert!(exe.is_file());
-
-    let trace = make_trace();
-
-    // HACK: GNU addr2line has a bug where looking up multiple addresses can cause the second
-    // lookup to fail. Workaround by doing one address at a time.
-    for addr in &trace {
-        let theirs = run_cmd("addr2line", &me, flags, addr);
-        let ours = run_cmd(&exe, &me, flags, addr);
-
-        // HACK: GNU addr2line does not tidy up paths properly, causing double slashes to be printed.
-        // We consider our behavior to be correct, so we fix their output to match ours.
-        let theirs = theirs.replace("//", "/");
-
-        assert!(
-            theirs == ours,
-            "Output not equivalent:
-
-$ addr2line {0} --exe {1} {2}
-{4}
-$ {3} {0} --exe {1} {2}
-{5}
-
-
-",
-            flags.unwrap_or(""),
-            me.display(),
-            trace.join(" "),
-            exe.display(),
-            theirs,
-            ours
-        );
-    }
-    Ok(())
-}
-
-static FLAGS: &str = "aipsf";
-
-fn make_tests() -> Vec<Trial> {
-    (0..(1 << FLAGS.len()))
-        .map(|bits| {
-            if bits == 0 {
-                None
-            } else {
-                let mut param = String::new();
-                param.push('-');
-                for (i, flag) in FLAGS.chars().enumerate() {
-                    if (bits & (1 << i)) != 0 {
-                        param.push(flag);
-                    }
-                }
-                Some(param)
-            }
-        })
-        .map(|param| {
-            Trial::test(
-                format!("addr2line {}", param.as_ref().map_or("", String::as_str)),
-                move || run_test(param.as_ref().map(String::as_str)),
-            )
-        })
-        .collect()
-}
-
-fn main() {
-    if !cfg!(target_os = "linux") {
-        return;
-    }
-    let args = Arguments::from_args();
-    libtest_mimic::run(&args, make_tests()).exit();
-}
diff --git a/vendor/addr2line/tests/parse.rs b/vendor/addr2line/tests/parse.rs
deleted file mode 100644
index 4dafe38..0000000
--- a/vendor/addr2line/tests/parse.rs
+++ /dev/null
@@ -1,114 +0,0 @@
-use std::borrow::Cow;
-use std::env;
-use std::fs::File;
-use std::path::{self, PathBuf};
-
-use object::Object;
-
-fn release_fixture_path() -> PathBuf {
-    if let Ok(p) = env::var("ADDR2LINE_FIXTURE_PATH") {
-        return p.into();
-    }
-
-    let mut path = PathBuf::new();
-    if let Ok(dir) = env::var("CARGO_MANIFEST_DIR") {
-        path.push(dir);
-    }
-    path.push("fixtures");
-    path.push("addr2line-release");
-    path
-}
-
-fn with_file<F: FnOnce(&object::File<'_>)>(target: &path::Path, f: F) {
-    let file = File::open(target).unwrap();
-    let map = unsafe { memmap2::Mmap::map(&file).unwrap() };
-    let file = object::File::parse(&*map).unwrap();
-    f(&file)
-}
-
-fn dwarf_load<'a>(object: &object::File<'a>) -> gimli::Dwarf<Cow<'a, [u8]>> {
-    let load_section = |id: gimli::SectionId| -> Result<Cow<'a, [u8]>, gimli::Error> {
-        use object::ObjectSection;
-
-        let data = object
-            .section_by_name(id.name())
-            .and_then(|section| section.data().ok())
-            .unwrap_or(&[][..]);
-        Ok(Cow::Borrowed(data))
-    };
-    gimli::Dwarf::load(&load_section).unwrap()
-}
-
-fn dwarf_borrow<'a>(
-    dwarf: &'a gimli::Dwarf<Cow<'_, [u8]>>,
-) -> gimli::Dwarf<gimli::EndianSlice<'a, gimli::LittleEndian>> {
-    let borrow_section: &dyn for<'b> Fn(
-        &'b Cow<'_, [u8]>,
-    ) -> gimli::EndianSlice<'b, gimli::LittleEndian> =
-        &|section| gimli::EndianSlice::new(section, gimli::LittleEndian);
-    dwarf.borrow(&borrow_section)
-}
-
-#[test]
-fn parse_base_rc() {
-    let target = release_fixture_path();
-
-    with_file(&target, |file| {
-        addr2line::ObjectContext::new(file).unwrap();
-    });
-}
-
-#[test]
-fn parse_base_slice() {
-    let target = release_fixture_path();
-
-    with_file(&target, |file| {
-        let dwarf = dwarf_load(file);
-        let dwarf = dwarf_borrow(&dwarf);
-        addr2line::Context::from_dwarf(dwarf).unwrap();
-    });
-}
-
-#[test]
-fn parse_lines_rc() {
-    let target = release_fixture_path();
-
-    with_file(&target, |file| {
-        let context = addr2line::ObjectContext::new(file).unwrap();
-        context.parse_lines().unwrap();
-    });
-}
-
-#[test]
-fn parse_lines_slice() {
-    let target = release_fixture_path();
-
-    with_file(&target, |file| {
-        let dwarf = dwarf_load(file);
-        let dwarf = dwarf_borrow(&dwarf);
-        let context = addr2line::Context::from_dwarf(dwarf).unwrap();
-        context.parse_lines().unwrap();
-    });
-}
-
-#[test]
-fn parse_functions_rc() {
-    let target = release_fixture_path();
-
-    with_file(&target, |file| {
-        let context = addr2line::ObjectContext::new(file).unwrap();
-        context.parse_functions().unwrap();
-    });
-}
-
-#[test]
-fn parse_functions_slice() {
-    let target = release_fixture_path();
-
-    with_file(&target, |file| {
-        let dwarf = dwarf_load(file);
-        let dwarf = dwarf_borrow(&dwarf);
-        let context = addr2line::Context::from_dwarf(dwarf).unwrap();
-        context.parse_functions().unwrap();
-    });
-}