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Issues list

cannot assign to data in an index of HashMap<_, _> diagnostic suggests solution that does not type check 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.
#134917 opened Dec 30, 2024 by epilys
explicit-outlives-requirements suggestion breaks code A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. 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.
#134902 opened Dec 29, 2024 by matthiaskrgr
Const generic equivalence check overrides diagnostic::on_unimplemented A-diagnostics Area: Messages for errors, warnings, and lints F-generic_const_exprs `#![feature(generic_const_exprs)]` requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134881 opened Dec 29, 2024 by juntyr
#![feature(..)] outside of crate root only warns and should be louder A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. D-newcomer-roadblock Diagnostics: Confusing error or lint; hard to understand for new users. D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. L-unused_attributes Lint: unused_attributes requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134856 opened Dec 28, 2024 by estebank
Confusing error when using CoercePointee A-diagnostics Area: Messages for errors, warnings, and lints F-derive_coerce_pointee Feature: RFC 3621's oft-renamed implementation T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134846 opened Dec 28, 2024 by RalfJung
strange borrowing suggestion A-borrow-checker Area: The borrow checker 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.
#134805 opened Dec 26, 2024 by est31
Terse parse error on ident @ pat in destructuring assignment A-diagnostics Area: Messages for errors, warnings, and lints A-parser Area: The parsing of Rust source code to an AST A-patterns Relating to patterns and pattern matching D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134778 opened Dec 26, 2024 by workingjubilee
1
ICE has escaping bound vars, so it cannot be wrapped in a dummy binder. A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134764 opened Dec 25, 2024 by matthiaskrgr
1
@estebank
2
on_unimplemented label and notes are not displayed for transitive bounds 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.
#134700 opened Dec 23, 2024 by cramertj
1
derive(PartialEq) should not prevent "field is never read" warnings A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134588 opened Dec 20, 2024 by Wilfred
3
Bad parse error on token sequences safe unsafe and unsafe safe A-diagnostics Area: Messages for errors, warnings, and lints A-parser Area: The parsing of Rust source code to an AST D-confusing Diagnostics: Confusing error or lint that should be reworked. D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134580 opened Dec 20, 2024 by ionicmc-rs
17
Incorrect suggestion to derive Clone on Vec directly A-diagnostics Area: Messages for errors, warnings, and lints A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` 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.
#134471 opened Dec 18, 2024 by cyrgani
1
@cyrgani
1
Unhelpful suggestions on reference mutability 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.
#134467 opened Dec 18, 2024 by Walther
2
unhelpful E0277 when writing func(&a: &T) instead of func(a: &T) 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.
#134461 opened Dec 18, 2024 by matthiaskrgr
#[linkage = "weak"] const fn accepted without warning A-diagnostics Area: Messages for errors, warnings, and lints A-linkage Area: linking into static, shared libraries and binaries C-discussion Category: Discussion or questions that doesn't represent real issues. F-linkage #![feature(linkage)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134451 opened Dec 18, 2024 by HaoboGu
14
cfg resolve diagnostic doesn't show up for axum macro A-cfg Area: `cfg` conditional compilation A-diagnostics Area: Messages for errors, warnings, and lints A-resolve Area: Name/path resolution done by `rustc_resolve` specifically D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134448 opened Dec 18, 2024 by joshka
1
E0308 Suggestion gets added to unrelated code and error span is too big A-diagnostics Area: Messages for errors, warnings, and lints A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) D-imprecise-spans Diagnostics: spans don't point to exactly the erroneous code T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134445 opened Dec 17, 2024 by LasterAlex
Error mentions invalid nested HRTB: &mut for<'a> fn(for<'a> fn(&'a ())) A-diagnostics Area: Messages for errors, warnings, and lints A-higher-ranked Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs) A-pretty Area: Pretty printing (including `-Z unpretty`) 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.
#134410 opened Dec 17, 2024 by theemathas
1
Better error reporting for T: ?Sized types when impl Receiver for MyType<T> is implicitly sized A-diagnostics Area: Messages for errors, warnings, and lints C-discussion Category: Discussion or questions that doesn't represent real issues. D-confusing Diagnostics: Confusing error or lint that should be reworked. F-arbitrary_self_types `#![feature(arbitrary_self_types)]`
#134390 opened Dec 16, 2024 by compiler-errors
@cramertj
3
Warn when more specific lint overridden by a lint group A-diagnostics Area: Messages for errors, warnings, and lints A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-discussion Category: Discussion or questions that doesn't represent real issues. 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.
#134382 opened Dec 16, 2024 by dev-ardi
E0277: Unhelpful error message is given when indirect constraints cause blanket implementations to not get implemented 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.
#134346 opened Dec 15, 2024 by soareschen
1
Confusing suggestion from self import 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.
#134327 opened Dec 15, 2024 by eatmynerds
Detect different borrowing in different sub-expressions the same expression and suggest borrowing when applicable A-diagnostics Area: Messages for errors, warnings, and lints A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. P-low Low priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134219 opened Dec 12, 2024 by estebank
Lint for returning a pointer to stack memory associated with a local variable 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.
#134215 opened Dec 12, 2024 by 1c3t3a
1
Invalid suggestion on anonymous lifetime parameter in precise capturing list if there are no input lifetimes A-diagnostics Area: Messages for errors, warnings, and lints A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` D-invalid-suggestion Diagnostics: A structured suggestion resulting in incorrect code. D-verbose Diagnostics: Too much output caused by a single piece of incorrect code. F-precise_capturing `#![feature(precise_capturing)]` P-low Low priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134194 opened Dec 12, 2024 by fmease
3
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