Search results

higher-ranked-assumptions: "unable to satisfy constraints involving placeholders" when proving Send for AFIT/RPITIT future constrained by HRTB

A-higher-rankedArea: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs)

C-bugCategory: This is a bug.Category: This is a bug.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

Status: Open.

Bug

#157339 In rust-lang/rust;

· tmandry opened on Jun 2, 2026

Incrementing &mut Option<u32> generates verbose instructions 1.94.0 -> 1.95.0

A-codegenArea: Code generationArea: Code generation

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

E-needs-bisectionCall for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustcCall for participation: This issue needs bisection: https://github.com/rust-lang/cargo-bisect-rustc

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

O-x86_32Target: x86 processors, 32 bit (like i686-*) (also known as IA-32, i386, i586, i686)Target: x86 processors, 32 bit (like i686-*) (also known as IA-32, i386, i586, i686)

O-x86_64Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issue

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#157337 In rust-lang/rust;

· JL-Money opened on Jun 2, 2026

[ICE]: no resolutions for a doc link

A-intra-doc-linksArea: Intra-doc links, the ability to link to items in docs by nameArea: Intra-doc links, the ability to link to items in docs by name

C-bugCategory: This is a bug.Category: This is a bug.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#157326 In rust-lang/rust;

· matthiaskrgr opened on Jun 2, 2026

implied bound related unsoundness

A-implied-boundsArea: Implied bounds / inferred outlives-boundsArea: Implied bounds / inferred outlives-bounds

A-type-systemArea: Type systemArea: Type system

C-bugCategory: This is a bug.Category: This is a bug.

I-prioritizeIssue: Indicates that prioritization has been requested for this issue.Issue: Indicates that prioritization has been requested for this issue.

I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

Status: Open.

#157316 In rust-lang/rust;

· cushionbadak opened on Jun 2, 2026

Implementing Reborrow on invariant type has strange behavior.

A-borrow-checkerArea: The borrow checkerArea: The borrow checker

A-varianceArea: Variance (https://doc.rust-lang.org/nomicon/subtyping.html)Area: Variance (https://doc.rust-lang.org/nomicon/subtyping.html)

C-bugCategory: This is a bug.Category: This is a bug.

F-reborrow`#![feature(reborrow)]`; see #145612`#![feature(reborrow)]`; see #145612

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

Status: Open.

#157313 In rust-lang/rust;

· theemathas opened on Jun 2, 2026

broken link in respanned macro-generated reference to macro

C-bugCategory: This is a bug.Category: This is a bug.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#157304 In rust-lang/rust;

· ijackson opened on Jun 2, 2026

bug: LLVM22 upgrade causes severe compile time regression

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

C-bugCategory: This is a bug.Category: This is a bug.

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

I-prioritizeIssue: Indicates that prioritization has been requested for this issue.Issue: Indicates that prioritization has been requested for this issue.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

regression-untriagedUntriaged performance or correctness regression.Untriaged performance or correctness regression.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#157302 In rust-lang/rust;

· dvdplm opened on Jun 2, 2026

cargo test registry::sparse_blocking_count is potentially flaky

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

C-bugCategory: This is a bug.Category: This is a bug.

I-flaky-testIssue: A test is flaky/unreliable/spuriously failsIssue: A test is flaky/unreliable/spuriously fails

T-cargoRelevant to the cargo team, which will review and decide on the PR/issue.Relevant to the cargo team, which will review and decide on the PR/issue.

Status: Open.

#157295 In rust-lang/rust;

· jieyouxu opened on Jun 2, 2026

Tracking Issue for ManuallyDrop<T>::pinned_*

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

S-tracking-unimplementedStatus: The feature has not been implemented.Status: The feature has not been implemented.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#157268 In rust-lang/rust;

· asder8215 opened on Jun 1, 2026

Incorrect differentiation of uninitialized and possibly-uninitialized

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

C-bugCategory: This is a bug.Category: This is a bug.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#157267 In rust-lang/rust;

· ParisaBM opened on Jun 1, 2026

Nonsensical #[path] attributes are allowed.

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

C-bugCategory: This is a bug.Category: This is a bug.

E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#157260 In rust-lang/rust;

· theemathas opened on Jun 1, 2026

Very large error file creation on exponentially growing type

C-bugCategory: This is a bug.Category: This is a bug.

D-diagnostic-infraDiagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.Diagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself.

I-heavyIssue: Problems and improvements with respect to binary size of generated code.Issue: Problems and improvements with respect to binary size of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#157259 In rust-lang/rust;

· oli-obk opened on Jun 1, 2026