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Issues list

rustdoc: ICE: Deref impl without Target type involving negative Deref impl C-bug Category: This is a bug. F-negative_impls #![feature(negative_impls)] I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#128801 opened Aug 7, 2024 by fmease
@fmease
negative_impls: negative impl fails to prevent overlap error F-negative_impls #![feature(negative_impls)]
#112588 opened Jun 13, 2023 by lcnr
2
Impls are not resolved correctly when using generic const expressions C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` F-negative_impls #![feature(negative_impls)] requires-incomplete-features This issue requires the use of incomplete features. requires-nightly This issue requires a nightly compiler in some way.
#112341 opened Jun 6, 2023 by wdanilo
Inconsistent behavior of auto_traits+negative_impls across crates. A-auto-traits Area: auto traits (e.g., `auto trait Send {}`) A-trait-system Area: Trait system C-bug Category: This is a bug. F-auto_traits `#![feature(auto_traits)]` F-negative_impls #![feature(negative_impls)] T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#108995 opened Mar 10, 2023 by booti386
3
prevent negative impl cycles F-negative_impls #![feature(negative_impls)] I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-low Low priority requires-nightly This issue requires a nightly compiler in some way. T-types Relevant to the types team, which will review and decide on the PR/issue.
#102678 opened Oct 4, 2022 by nikomatsakis
1
2
negative_impls doesn't seem to agree with const_trait_impl C-bug Category: This is a bug. F-negative_impls #![feature(negative_impls)] 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.
#98834 opened Jul 3, 2022 by SohumB
1
using auto_traits and negative_impls, compiler seems failing to find matching implementation C-bug Category: This is a bug. F-auto_traits `#![feature(auto_traits)]` F-negative_impls #![feature(negative_impls)]
#92753 opened Jan 11, 2022 by djdisodo
Fix negative traits coherence checks compile error message for type aliases A-diagnostics Area: Messages for errors, warnings, and lints D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. F-negative_impls #![feature(negative_impls)] F-rustc_attrs Internal rustc attributes gated on the `#[rustc_attrs]` feature gate. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#90259 opened Oct 25, 2021 by spastorino
1
Rework reservation impls into an Ambiguous trait F-negative_impls #![feature(negative_impls)] T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#90182 opened Oct 22, 2021 by nikomatsakis
2
auto_traits + negative_impls not working as expected with associated types C-bug Category: This is a bug. F-auto_traits `#![feature(auto_traits)]` F-negative_impls #![feature(negative_impls)]
#87732 opened Aug 3, 2021 by gbj
Rustdoc does not show blanket impls with negative polarity C-bug Category: This is a bug. F-negative_impls #![feature(negative_impls)] T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#80466 opened Dec 29, 2020 by jyn514
5
forbid conditional, negative impls F-negative_impls #![feature(negative_impls)] T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#79098 opened Nov 16, 2020 by nikomatsakis
8
Tracking issue for negative impls A-trait-system Area: Trait system B-experimental Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize). B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-negative_impls #![feature(negative_impls)] needs-rfc This change is large or controversial enough that it should have an RFC accepted before doing it. S-tracking-impl-incomplete Status: The implementation is incomplete. S-tracking-needs-summary Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#68318 opened Jan 17, 2020 by nikomatsakis
2 tasks
46
Constants can contain references that are not Sync A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) C-bug Category: This is a bug. F-negative_impls #![feature(negative_impls)] I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-medium Medium priority S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#49206 opened Mar 20, 2018 by jDomantas
51
ProTip! Updated in the last three days: updated:>2025-05-07.