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Issues: rust-lang/rust

Draft release notes for 1.88.0
#141598 opened May 26, 2025 by Mark-Simulacrum
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Issues list

track the version and PR in which a nightly feature was removed A-diagnostics Area: Messages for errors, warnings, and lints E-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-help-wanted Call for participation: Help is requested to fix this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141619 opened May 26, 2025 by jyn514
1
@xizheyin
5
UI tests that execute don't include the stdout/err of the executed program in the error message if they fail A-compiletest Area: The compiletest test runner A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. E-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-help-wanted Call for participation: Help is requested to fix this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141531 opened May 25, 2025 by khuey
1
autogenerate compiler flag stubs in the unstable book A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools E-help-wanted Call for participation: Help is requested to fix this issue. E-medium Call for participation: Medium difficulty. Experience needed to fix: Intermediate. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141525 opened May 24, 2025 by jyn514
1
When LTO is enabled, miscompiles (x86_64-apple-darwin, at least) and failures to link due to unknown relocation type in switch tables (AArch64 Linux/Android, at least) A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. E-help-wanted Call for participation: Help is requested to fix this issue. E-needs-bisection Call for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example P-critical Critical priority regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141306 opened May 20, 2025 by briansmith
7
Unuseful span in type error in some format_args!() invocations A-diagnostics Area: Messages for errors, warnings, and lints A-fmt Area: `core::fmt` D-imprecise-spans Diagnostics: spans don't point to exactly the erroneous code E-help-wanted Call for participation: Help is requested to fix this issue. P-low Low priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140578 opened May 2, 2025 by m-ou-se
1
2
Add support for repetition to proc_macro::quote A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) A-proc-macros Area: Procedural macros C-feature-request Category: A feature request, i.e: not implemented / a PR. E-help-wanted Call for participation: Help is requested to fix this issue. E-medium Call for participation: Medium difficulty. Experience needed to fix: Intermediate. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-macros Working group: Macros
#140238 opened Apr 24, 2025 by tgross35
1
5
Tracking Issue for rwlock_try_upgrade C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#138559 opened Mar 16, 2025 by ShrigmaDev
7 tasks
9
lint/tidy check imports of rustc_type_ir and rustc_middle A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-help-wanted Call for participation: Help is requested to fix this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138449 opened Mar 13, 2025 by lcnr
3
Add one more "late metadata"/"digest" file to rlib archives A-linkage Area: linking into static, shared libraries and binaries C-enhancement Category: An issue proposing an enhancement or a PR with one. E-help-wanted Call for participation: Help is requested to fix this issue. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138243 opened Mar 8, 2025 by petrochenkov
4
Tracking Issue for integer formatting into a fixed-size buffer C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#138215 opened Mar 8, 2025 by hanna-kruppe
1 of 4 tasks
@madhav-madhusoodanan
9
Document the PATH that Command searchs A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-process Area: `std::process` and `std::env` E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#137286 opened Feb 19, 2025 by ChrisDenton
Tracking Issue for unchecked_div_rem C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#136716 opened Feb 7, 2025 by tgross35
1 of 4 tasks
@madhav-madhusoodanan
9
Find root cause why inlining GlobalCtxt::enter causes a crash in the deadlock handler A-parallel-compiler Area: parallel compiler C-bug Category: This is a bug. E-help-wanted Call for participation: Help is requested to fix this issue. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.
#136499 opened Feb 3, 2025 by bjorn3
2
Tracking Issue for enabling the linker-messages lint by default A-linkage Area: linking into static, shared libraries and binaries A-linkers Area: linkers... you gotta love linkers A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-help-wanted Call for participation: Help is requested to fix this issue. E-medium Call for participation: Medium difficulty. Experience needed to fix: Intermediate. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. L-linker_messages Lint: linker_messages T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#136096 opened Jan 26, 2025 by jyn514
5 of 16 tasks
11
Tracking Issue for sync_poison_mod C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#134646 opened Dec 22, 2024 by tgross35
2 of 4 tasks
@GrigorenkoPV
4
Tracking Issue for sync_nonpoison and nonpoison_{condvar,mutex,once,rwlock} C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#134645 opened Dec 22, 2024 by tgross35
4 tasks
2
add a note if a type implements a trait with the same name as the required trait A-diagnostics Area: Messages for errors, warnings, and lints A-trait-system Area: Trait system E-help-wanted Call for participation: Help is requested to fix this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#133123 opened Nov 16, 2024 by lolbinarycat
Document what a "dangling pointer" is A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. E-help-wanted Call for participation: Help is requested to fix this issue. L-dangling_pointers_from_temporaries Lint: dangling_pointers_from_temporaries T-libs Relevant to the library team, which will review and decide on the PR/issue. T-opsem Relevant to the opsem team
#132286 opened Oct 28, 2024 by Urgau
3 tasks
15
Trait inference is broken for unnamed structs A-associated-items Area: Associated items (types, constants & functions) A-trait-system Area: Trait system C-bug Category: This is a bug. E-help-wanted Call for participation: Help is requested to fix this issue. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#130318 opened Sep 13, 2024 by gerben-stavenga
@maxcabrajac
3
Help needed finding a test that changes behaviour when changing DefiningOpaqueTypes::No to Yes A-trait-system Area: Trait system E-help-wanted Call for participation: Help is requested to fix this issue.
#127035 opened Jun 27, 2024 by oli-obk
3
Allow reifying intrinsics to fn pointers. (rebase of #86699) E-help-wanted Call for participation: Help is requested to fix this issue. needs-fcp This change is insta-stable, or significant enough to need a team FCP to proceed. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126595 opened Jun 17, 2024 by GrigorenkoPV Loading…
@compiler-errors
21
Vec::into_boxed_slice no-excess guarantee regressed in 1.77.0 A-box Area: Our favorite opsem complication A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools C-bug Category: This is a bug. E-help-wanted Call for participation: Help is requested to fix this issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#125941 opened Jun 3, 2024 by str4d
@heiseish
4
Tracking Issue for compiletest documentation A-compiletest Area: The compiletest test runner A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-testsuite Area: The testsuite used to check the correctness of rustc C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-help-wanted Call for participation: Help is requested to fix this issue. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#125706 opened May 29, 2024 by jieyouxu
11 tasks
1
We should document what external dependencies we assume for our test suites A-compiletest Area: The compiletest test runner A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-testsuite Area: The testsuite used to check the correctness of rustc C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-help-wanted Call for participation: Help is requested to fix this issue. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#125585 opened May 26, 2024 by jieyouxu
1
Add SIMD operations that use f16 and f128 A-SIMD Area: SIMD (Single Instruction Multiple Data) C-feature-request Category: A feature request, i.e: not implemented / a PR. E-help-wanted Call for participation: Help is requested to fix this issue. F-f16_and_f128 `#![feature(f16)]`, `#![feature(f128)]` T-libs Relevant to the library team, which will review and decide on the PR/issue.
#125440 opened May 23, 2024 by tgross35
12
ProTip! Exclude everything labeled bug with -label:bug.