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Issues list

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
Experiment with using HashMap::with_capacity throughout the compiler C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such 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. I-compiletime Issue: Problems and improvements with respect to compile times. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137005 opened Feb 14, 2025 by jyn514
@ARandomDev99
8
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 ui test suite improvements A-testsuite Area: The testsuite used to check the correctness of rustc C-cleanup Category: PRs that clean code up or issues documenting cleanup. C-enhancement Category: An issue proposing an enhancement or a PR with one. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC 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. E-tedious Call for participation: An issue involves lots of work and is better handled as many small tasks. S-tracking-forever Status: Never to be closed. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#133895 opened Dec 5, 2024 by jieyouxu
Official binaries for wasm32-unknown-unknown (and potentially other WASM platforms?) contain code for the wrong architecture C-bug Category: This is a bug. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. O-wasm Target: WASM (WebAssembly), http://webassembly.org/ T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#132802 opened Nov 9, 2024 by emilazy
@JayAndJef
12
Use rustc attrs in dangling_pointers_from_temporaries lint 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-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. L-dangling_pointers_from_temporaries Lint: dangling_pointers_from_temporaries T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132281 opened Oct 28, 2024 by Urgau
@gavincrawford
17
Migrate parser to the new span combining scheme A-diagnostics Area: Messages for errors, warnings, and lints A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) A-parser Area: The lexing & parsing of Rust source code to an AST C-cleanup Category: PRs that clean code up or issues documenting cleanup. 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.
#126763 opened Jun 20, 2024 by petrochenkov
@DanielFrantes
6
Port backtrace-rs test-crates to rustc repo A-backtrace Area: Backtraces A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. 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.
#122899 opened Mar 22, 2024 by workingjubilee
2 of 4 tasks
10
Split up diagnostics in uncommon_codepoints (potentially splitting up the lint as well) A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-Unicode Area: Unicode 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. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. L-uncommon_codepoints Lint: uncommon_codepoints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#120228 opened Jan 22, 2024 by Manishearth
@HTGAzureX1212
4
C#-style named arguments emit type ascription errors A-diagnostics Area: Messages for errors, warnings, and lints A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` D-newcomer-roadblock Diagnostics: Confusing error or lint; hard to understand for new users. D-papercut Diagnostics: An error or lint that needs small tweaks. 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.
#116411 opened Oct 4, 2023 by workingjubilee
@nouritsu
31
Collect lang items on the AST instead of HIR A-ast Area: AST A-lang-item Area: Language items 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. 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#115178 opened Aug 24, 2023 by cjgillot
6
finish and clean up rustc_const_eval's translatable diagnostics. A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic C-cleanup Category: PRs that clean code up or issues documenting cleanup. 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.
#113117 opened Jun 28, 2023 by fee1-dead
1
6
update internal terminology: Substs -> GenericArgs C-cleanup Category: PRs that clean code up or issues documenting cleanup. 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.
#110793 opened Apr 25, 2023 by lcnr
1
@ShoyuVanilla
19
C/C++ code linked to Rust code can't use some clang builtins A-FFI Area: Foreign function interface (FFI) A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. O-android Operating system: Android T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#109717 opened Mar 29, 2023 by glandium
3
Tracking Issue for Rustdoc Askama Migration A-rustdoc-ui Area: Rustdoc UI (generated HTML) 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. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#108868 opened Mar 7, 2023 by clubby789
11 of 25 tasks
9
Clipboard button should copy version for crate, not just the name C-enhancement Category: An issue proposing an enhancement or a PR with one. 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. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#106990 opened Jan 17, 2023 by jyn514
1
@atsuzaki
6
improve the way we deal with ambiguity errors A-diagnostics Area: Messages for errors, warnings, and lints C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. 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.
#103911 opened Nov 3, 2022 by lcnr
2
Internally change regions to be covariant A-variance Area: Variance (https://doc.rust-lang.org/nomicon/subtyping.html) C-cleanup Category: PRs that clean code up or issues documenting cleanup. E-hard Call for participation: Hard difficulty. Experience needed to fix: A lot. E-mentor Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion. T-types Relevant to the types team, which will review and decide on the PR/issue.
#103676 opened Oct 28, 2022 by lcnr
1
@aliemjay
2
Add links to doc items to the Unstable Book A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools 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.
#103548 opened Oct 25, 2022 by alercah
@albertlarsan68
7
Rename sysroot directories to be more clear A-contributor-roadblock Area: Makes things more difficult for new or seasoned contributors to Rust 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. S-blocked Status: Blocked on something else such as an RFC or other implementation work. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#101961 opened Sep 18, 2022 by jyn514
1
9
Download a pre-compiled bootstrap from CI 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. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#99989 opened Jul 31, 2022 by jyn514
2
19
Investigate mutating the AST during late resolution A-HIR Area: The high-level intermediate representation (HIR) A-resolve Area: Name/path resolution done by `rustc_resolve` specifically 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. 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.
#99669 opened Jul 24, 2022 by cjgillot
4 tasks
1
13
orphan check incorrectly handles projections A-associated-items Area: Associated items (types, constants & functions) A-coherence Area: Coherence A-trait-system Area: Trait system C-bug Category: This is a bug. 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. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority S-triggers-future-incompat-lint Status: This bug triggers a future-incompatibility lint T-types Relevant to the types team, which will review and decide on the PR/issue.
#99554 opened Jul 21, 2022 by lcnr
2
@fmease
6
Audit accesses to the source_map A-diagnostics Area: Messages for errors, warnings, and lints A-HIR Area: The high-level intermediate representation (HIR) A-incr-comp Area: Incremental compilation 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. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#97417 opened May 26, 2022 by cjgillot
@mdx97
2
Create a tool which suggests tests to run based on modified files A-contributor-roadblock Area: Makes things more difficult for new or seasoned contributors to Rust A-testsuite Area: The testsuite used to check the correctness of rustc 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.
#97339 opened May 24, 2022 by jyn514
@rustbot
4
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