[experimental] shorten backtraces using debuginfo

[jyn514]

cc rust-lang/compiler-team#818

r? @ghost

@rustbot label S-experimental

try-job: aarch64-apple

[clubby789]

@bors try

[bors]

⌛ Trying commit a2beb5e with merge a402123931810f29c74a7fd7ef008dc6e13ed7dd...

[jieyouxu]

@bors delegate+ (for try jobs)

[bors]

✌️ @jyn514, you can now approve this pull request!

If @jieyouxu told you to "r=me" after making some further change, please make that change, then do @bors r=@jieyouxu

[jyn514]

i think rustc_middle is going to fail to compile, so

@bors cancel try

[rust-log-analyzer]

The job mingw-check failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

extracting /checkout/obj/build/cache/2024-11-27/rustfmt-nightly-x86_64-unknown-linux-gnu.tar.xz to /checkout/obj/build/x86_64-unknown-linux-gnu/rustfmt
downloading https://static.rust-lang.org/dist/2024-11-27/rustc-nightly-x86_64-unknown-linux-gnu.tar.xz
extracting /checkout/obj/build/cache/2024-11-27/rustc-nightly-x86_64-unknown-linux-gnu.tar.xz to /checkout/obj/build/x86_64-unknown-linux-gnu/rustfmt
##[group]Checking stage0 library artifacts {alloc, core, std} (x86_64-unknown-linux-gnu -> aarch64-unknown-linux-gnu)
    Updating git repository `https://github.com/jyn514/gimli`
---
    Checking rustc-demangle v0.1.24
    Checking rustc-std-workspace-alloc v1.99.0 (/checkout/library/rustc-std-workspace-alloc)
    Checking panic_unwind v0.0.0 (/checkout/library/panic_unwind)
    Checking panic_abort v0.0.0 (/checkout/library/panic_abort)
    Checking gimli v0.31.1 (https://github.com/jyn514/gimli?branch=shared-attrs#91a5d4e4)
    Checking hashbrown v0.15.2
    Checking std_detect v0.1.5 (/checkout/library/stdarch/crates/std_detect)
    Checking addr2line v0.24.2
    Finished `release` profile [optimized] target(s) in 20.07s

[rust-log-analyzer]

The job aarch64-apple failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

Updating files:  98% (50003/51023)
Updating files:  99% (50513/51023)
Updating files: 100% (51023/51023)
Updating files: 100% (51023/51023), done.
Switched to a new branch 'try'
branch 'try' set up to track 'origin/try'.
[command]/opt/homebrew/bin/git log -1 --format=%H
a402123931810f29c74a7fd7ef008dc6e13ed7dd
##[group]Run src/ci/scripts/setup-environment.sh
src/ci/scripts/setup-environment.sh
---
file:.git/config remote.origin.url=https://github.com/rust-lang-ci/rust
file:.git/config remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*
file:.git/config gc.auto=0
file:.git/config http.https://github.com/.extraheader=AUTHORIZATION: basic ***
file:.git/config branch.try.remote=origin
file:.git/config branch.try.merge=refs/heads/try
file:.git/config remote.upstream.fetch=+refs/heads/*:refs/remotes/upstream/*
file:.git/config submodule.library/backtrace.active=true
file:.git/config submodule.library/backtrace.url=https://github.com/rust-lang/backtrace-rs.git
file:.git/config submodule.library/stdarch.active=true
---
[RUSTC-TIMING] compiler_builtins test:false 1.627
   Compiling rustc-std-workspace-alloc v1.99.0 (/Users/runner/work/rust/rust/library/rustc-std-workspace-alloc)
   Compiling panic_abort v0.0.0 (/Users/runner/work/rust/rust/library/panic_abort)
[RUSTC-TIMING] rustc_std_workspace_alloc test:false 0.017
   Compiling gimli v0.31.1 (https://github.com/jyn514/gimli?branch=shared-attrs#91a5d4e4)
   Compiling miniz_oxide v0.7.4
[RUSTC-TIMING] miniz_oxide test:false 0.360
   Compiling std_detect v0.1.5 (/Users/runner/work/rust/rust/library/stdarch/crates/std_detect)
[RUSTC-TIMING] alloc test:false 1.808
---
   Compiling addr2line v0.24.2
[RUSTC-TIMING] addr2line test:false 0.250
[RUSTC-TIMING] gimli test:false 1.848
[RUSTC-TIMING] object test:false 2.529
error[E0502]: cannot borrow `*cx` as immutable because it is also borrowed as mutable
    |
    |
495 |             if let Some((object_cx, object_addr)) = cx.object.search_object_map(addr as u64) {
    |                                                     --------- mutable borrow occurs here
496 |                 if let Ok(mut frames) = object_cx.find_frames(stash, object_addr) {
497 |                     while let Ok(Some(frame)) = frames.next() {
    |                                                 ------ mutable borrow later used here
...
501 |                             short_backtrace: parse_short_backtrace(cx, stash, addr as u64, &frame),
    |                                                                    ^^ immutable borrow occurs here
For more information about this error, try `rustc --explain E0502`.
[RUSTC-TIMING] std test:false 1.610
error: could not compile `std` (lib) due to 1 previous error
Build completed unsuccessfully in 0:54:34