rust-lang / rust-lang/rust

ICE because of a bad file on disk?

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A-incr-comp C-bug I-ICE S-needs-repro T-compiler
Dominant language
Rust
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Description

Code

Structurally it's a workspace with 2 binaries and a lib. I got the issue whilst compiling bin1 which only depends on serde, clap and zip.
The code isn't special, just reading a zip file and writing a few text files. After cargo clean everything was back to normal, hence why my code isn't the culprit here.

Meta

rustc --version --verbose:

rustc 1.78.0 (9b00956e5 2024-04-29)
binary: rustc
commit-hash: 9b00956e56009bab2aa15d7bff10916599e3d6d6
commit-date: 2024-04-29
host: x86_64-unknown-linux-gnu
release: 1.78.0
LLVM version: 18.1.2
Error output

I first noticed the issue when Enhanced Rust on Sublime Text told me to check the error logs and I saw the backtrace, which was different from the one I had when just calling cargo build.

Enhanced Rust Backtrace 

+0.000 Running: cargo metadata --no-deps
+0.071 Running: rustc --version
+0.032 Running: cargo check --bin c3compiler --message-format=json
+0.101     Checking c3compiler v0.1.0 (/home/minirop/rust/contruct3/c3compiler)
+0.012 thread 'rustc' panicked at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/compiler/rustc_query_system/src/dep_graph/serialized.rs:190:9:
+0.001 assertion `left == right` failed
+0.001   left: 2404352
+0.000  right: 6725756553635079914
+0.000 stack backtrace:
+0.002    0:     0x727736558892 - std::backtrace_rs::backtrace::libunwind::trace::he4ee80166a02c846
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
+0.000    1:     0x727736558892 - std::backtrace_rs::backtrace::trace_unsynchronized::h476faccf57e88641
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
+0.000    2:     0x727736558892 - std::sys_common::backtrace::_print_fmt::h430c922a77e7a59c
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:68:5
+0.000    3:     0x727736558892 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hffecb437d922f988
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:44:22
+0.000    4:     0x7277365a9a6c - core::fmt::rt::Argument::fmt::hf3df69369399bfa9
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/rt.rs:142:9
+0.000    5:     0x7277365a9a6c - core::fmt::write::hd9a8d7d029f9ea1a
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/mod.rs:1153:17
+0.000    6:     0x72773654d78f - std::io::Write::write_fmt::h0e1226b2b8d973fe
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/io/mod.rs:1843:15
+0.000    7:     0x727736558664 - std::sys_common::backtrace::_print::hd2df4a083f6e69b8
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:47:5
+0.000    8:     0x727736558664 - std::sys_common::backtrace::print::he907f6ad7eee41cb
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:34:9
+0.000    9:     0x72773655b35b - std::panicking::default_hook::{{closure}}::h3926193b61c9ca9b
+0.000   10:     0x72773655b0b3 - std::panicking::default_hook::h25ba2457dea68e65
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:292:9
+0.001   11:     0x72773322845d - std[e4dfbc2c3f4b09f1]::panicking::update_hook::<alloc[1adba907b9db1888]::boxed::Box<rustc_driver_impl[24a943716c49befe]::install_ice_hook::{closure#0}>>::{closure#0}
+0.000   12:     0x72773655bac0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h022ca2c0d8c21c9e
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2034:9
+0.000   13:     0x72773655bac0 - std::panicking::rust_panic_with_hook::h0ad14d90dcf5224f
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:783:13
+0.000   14:     0x72773655b802 - std::panicking::begin_panic_handler::{{closure}}::h4a1838a06f542647
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:657:13
+0.000   15:     0x727736558d66 - std::sys_common::backtrace::__rust_end_short_backtrace::h77cc4dc3567ca904
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:171:18
+0.000   16:     0x72773655b534 - rust_begin_unwind
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:645:5
+0.000   17:     0x7277365a5f85 - core::panicking::panic_fmt::h940d4fd01a4b4fd1
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:72:14
+0.000   18:     0x7277365a64cb - core::panicking::assert_failed_inner::h3fa4c4749ee29c1d
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:343:17
+0.000   19:     0x727733450573 - core[836963c7c1decc11]::panicking::assert_failed::<usize, usize>
+0.000   20:     0x7277353028b2 - rustc_incremental[83ca8b7354e96499]::persist::load::setup_dep_graph
+0.000   21:     0x7277351b0a03 - <rustc_interface[ba2b6dc4c96cb491]::queries::Queries>::global_ctxt
+0.000   22:     0x727734ffc640 - rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler::<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}
+0.000   23:     0x72773533eb6e - std[e4dfbc2c3f4b09f1]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[ba2b6dc4c96cb491]::util::run_in_thread_with_globals<rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>
+0.000   24:     0x72773533e9ca - <<std[e4dfbc2c3f4b09f1]::thread::Builder>::spawn_unchecked_<rustc_interface[ba2b6dc4c96cb491]::util::run_in_thread_with_globals<rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#1} as core[836963c7c1decc11]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
+0.000   25:     0x727736565145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h19b9e642d37e7272
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
+0.000   26:     0x727736565145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97265befc434d3ae
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
+0.000   27:     0x727736565145 - std::sys::pal::unix::thread::Thread::new::thread_start::h420dad5cf01a9f35
+0.000                                at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys/pal/unix/thread.rs:108:17
+0.000   28:     0x7277302a6ded - <unknown>
+0.000   29:     0x72773032a0dc - <unknown>
+0.000   30:                0x0 - <unknown>
+0.000 
+0.000 error: the compiler unexpectedly panicked. this is a bug.
+0.000 
+0.000 note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
+0.000 
+0.000 note: rustc 1.78.0 (9b00956e5 2024-04-29) running on x86_64-unknown-linux-gnu
+0.000 
+0.000 note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C linker=/usr/bin/clang -C incremental=[REDACTED] -C link-arg=--ld-path=/usr/bin/mold
+0.000 
+0.000 note: some of the compiler flags provided by cargo are hidden
+0.000 
+0.000 query stack during panic:
+0.000 end of query stack
+0.000 error: could not compile `c3compiler` (bin "c3compiler")
+0.000 On-save check finished.

Cargo build Backtrace 

thread 'rustc' panicked at compiler/rustc_middle/src/query/on_disk_cache.rs:519:5:
assertion `left == right` failed
  left: 82
 right: 1002111927320821928687967599834759150
stack backtrace:
   0:     0x7da197ef9892 - std::backtrace_rs::backtrace::libunwind::trace::he4ee80166a02c846
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
   1:     0x7da197ef9892 - std::backtrace_rs::backtrace::trace_unsynchronized::h476faccf57e88641
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7da197ef9892 - std::sys_common::backtrace::_print_fmt::h430c922a77e7a59c
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7da197ef9892 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hffecb437d922f988
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7da197f4aa6c - core::fmt::rt::Argument::fmt::hf3df69369399bfa9
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/rt.rs:142:9
   5:     0x7da197f4aa6c - core::fmt::write::hd9a8d7d029f9ea1a
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/fmt/mod.rs:1153:17
   6:     0x7da197eee78f - std::io::Write::write_fmt::h0e1226b2b8d973fe
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/io/mod.rs:1843:15
   7:     0x7da197ef9664 - std::sys_common::backtrace::_print::hd2df4a083f6e69b8
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7da197ef9664 - std::sys_common::backtrace::print::he907f6ad7eee41cb
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7da197efc35b - std::panicking::default_hook::{{closure}}::h3926193b61c9ca9b
  10:     0x7da197efc0b3 - std::panicking::default_hook::h25ba2457dea68e65
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:292:9
  11:     0x7da194c2845d - std[e4dfbc2c3f4b09f1]::panicking::update_hook::<alloc[1adba907b9db1888]::boxed::Box<rustc_driver_impl[24a943716c49befe]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7da197efcac0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h022ca2c0d8c21c9e
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2034:9
  13:     0x7da197efcac0 - std::panicking::rust_panic_with_hook::h0ad14d90dcf5224f
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:783:13
  14:     0x7da197efc802 - std::panicking::begin_panic_handler::{{closure}}::h4a1838a06f542647
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:657:13
  15:     0x7da197ef9d66 - std::sys_common::backtrace::__rust_end_short_backtrace::h77cc4dc3567ca904
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x7da197efc534 - rust_begin_unwind
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:645:5
  17:     0x7da197f46f85 - core::panicking::panic_fmt::h940d4fd01a4b4fd1
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:72:14
  18:     0x7da197f474cb - core::panicking::assert_failed_inner::h3fa4c4749ee29c1d
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:343:17
  19:     0x7da195024407 - core[836963c7c1decc11]::panicking::assert_failed::<u128, u128>
  20:     0x7da196d15a7e - <rustc_middle[fda44fdb505d3e7f]::query::on_disk_cache::OnDiskCache>::new
  21:     0x7da196d18642 - rustc_incremental[83ca8b7354e96499]::persist::load::load_query_result_cache
  22:     0x7da196d18868 - rustc_interface[ba2b6dc4c96cb491]::passes::create_global_ctxt
  23:     0x7da196bb0b37 - <rustc_interface[ba2b6dc4c96cb491]::queries::Queries>::global_ctxt
  24:     0x7da1969fc640 - rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler::<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}
  25:     0x7da196d3eb6e - std[e4dfbc2c3f4b09f1]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[ba2b6dc4c96cb491]::util::run_in_thread_with_globals<rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>
  26:     0x7da196d3e9ca - <<std[e4dfbc2c3f4b09f1]::thread::Builder>::spawn_unchecked_<rustc_interface[ba2b6dc4c96cb491]::util::run_in_thread_with_globals<rustc_interface[ba2b6dc4c96cb491]::interface::run_compiler<core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>, rustc_driver_impl[24a943716c49befe]::run_compiler::{closure#0}>::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[836963c7c1decc11]::result::Result<(), rustc_span[a4517f2b2e65298c]::ErrorGuaranteed>>::{closure#1} as core[836963c7c1decc11]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  27:     0x7da197f06145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h19b9e642d37e7272
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
  28:     0x7da197f06145 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h97265befc434d3ae
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/boxed.rs:2020:9
  29:     0x7da197f06145 - std::sys::pal::unix::thread::Thread::new::thread_start::h420dad5cf01a9f35
                               at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/sys/pal/unix/thread.rs:108:17
  30:     0x7da191ca6ded - <unknown>
  31:     0x7da191d2a0dc - <unknown>
  32:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.78.0 (9b00956e5 2024-04-29) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C linker=/usr/bin/clang -C incremental=[REDACTED] -C link-arg=--ld-path=/usr/bin/mold

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
error: could not compile `c3compiler` (bin "c3compiler")

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with compiler/rustc_middle/src/query/on_disk_cache.rs:519 and compiler/rustc_query_system/src/dep_graph/serialized.rs:190, then trace rustc_incremental::persist::load::setup_dep_graph. Try to reproduce the ICE from the reported incremental-build conditions; done means identifying the corrupted on-disk state and preventing it from reaching these assertions, with regression coverage if it can be reproduced.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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