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Issues list

Spurious irrefutable_let_patterns warning A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141365 opened May 21, 2025 by obsgolem
Diagnostic assumes that braced unresolved identifiers are formatting arguments A-diagnostics Area: Messages for errors, warnings, and lints A-resolve Area: Name/path resolution done by `rustc_resolve` specifically D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. D-papercut Diagnostics: An error or lint that needs small tweaks. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141350 opened May 21, 2025 by fmease
@xizheyin
5
type inference failure confusing diagnostic let Some(x) = None for [u8] A-diagnostics Area: Messages for errors, warnings, and lints A-inference Area: Type inference D-confusing Diagnostics: Confusing error or lint that should be reworked. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141336 opened May 21, 2025 by midnightveil
5
Identify which tuple item fails to implement a trait when using fake variadics A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141258 opened May 19, 2025 by alice-i-cecile
1
Diagnostic doesn't mention cfg-ed item referenced through glob import A-cfg Area: `cfg` conditional compilation A-diagnostics Area: Messages for errors, warnings, and lints D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. P-medium Medium priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141256 opened May 19, 2025 by greeble-dev
4
Suboptimal diagnostic for Cow<'static, [SomeType]> if SomeType doesn't implement Clone A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141241 opened May 19, 2025 by weiznich
wrong span for E0277 A-diagnostics Area: Messages for errors, warnings, and lints D-confusing Diagnostics: Confusing error or lint that should be reworked. D-imprecise-spans Diagnostics: spans don't point to exactly the erroneous code D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141234 opened May 18, 2025 by jendrikw
1
Nested import suggestion should maintain the same visibility level A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141134 opened May 17, 2025 by bvanjoi
rustdoc: terse diagnostic on malformed intra-doc link (single instead of double colon) A-diagnostics Area: Messages for errors, warnings, and lints A-intra-doc-links Area: Intra-doc links, the ability to link to items in docs by name C-feature-request Category: A feature request, i.e: not implemented / a PR. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#141095 opened May 16, 2025 by sanbox-irl
1
Confusing error when using non-XID_Start characters in lifetime names A-diagnostics Area: Messages for errors, warnings, and lints A-lexer Area: lexer T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141081 opened May 16, 2025 by jieyouxu
Mutex and RwLock borrow suggestions could suggest get_mut if applicable A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141058 opened May 15, 2025 by zopsicle
refining_impl_trait: The suggested fix does not yet take precise capturing into account. A-diagnostics Area: Messages for errors, warnings, and lints A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. L-refining_impl_trait Lint group: refining_impl_trait T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141047 opened May 15, 2025 by Tamschi
Typoing "." instead of "," in a match produces confusing error messages A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140991 opened May 14, 2025 by ssbr
1
@chenyukang
4
Early/late bound lifetime coercion produces a confusing diagnostic A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140896 opened May 10, 2025 by parrottq
Misleading "captured variable cannot escape FnMut closure body" diagnostic, should be "can't mutable borrow more than once" A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140875 opened May 9, 2025 by teor2345
Confusing diagnostics when forgetting to import rustc_abi crate A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140840 opened May 9, 2025 by RalfJung
4
"[E0603] unit variant X is private. help: import X directly" suggests invalid path in private module A-diagnostics Area: Messages for errors, warnings, and lints A-resolve Area: Name/path resolution done by `rustc_resolve` specifically A-visibility Area: Visibility / privacy D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140831 opened May 8, 2025 by ZaneErebos
@xizheyin
1
Polymorphic recursion in async fn gives "queries overflow the depth limit" error A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-cycle Issue: A query cycle occurred while none was expected T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140728 opened May 7, 2025 by theemathas
Raw strings w/ too many terminating hashes are not exclusively handled A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140618 opened May 3, 2025 by md-tr
1
@xizheyin
1
Better message when trying to assign two variables at once / match on a tuple without using parentheses A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140615 opened May 3, 2025 by xuiqzy
1
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
rustc diagnostic for incorrect return-pos bounds of Fn traits as function arguments suggests deleting until file start A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140543 opened May 1, 2025 by rbakbashev
1
Malformed suggestion for E0061 when in macro context and method is a macro token A-diagnostics Area: Messages for errors, warnings, and lints A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140512 opened Apr 30, 2025 by nagisa
1
1
Function pointer primitive cast not working A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140491 opened Apr 29, 2025 by Swiiz
1
@xizheyin
3
[ER] Better than the "unresolved import super::K" error message A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140449 opened Apr 29, 2025 by leonardo-m
3
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