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Help message in compiler error leads to a 404

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.

#147901 In rust-lang/rust;

· tejom opened on Oct 20, 2025

<code>let-else</code> does not respect <code>macro_rules</code> <code>expr</code> metavariable grouping

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

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.

#147899 In rust-lang/rust;

· theemathas opened on Oct 20, 2025

rust compiler yields obviously broken suggestions around dyn/impl use when tickled right

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.

D-invalid-suggestionDiagnostics: A structured suggestion resulting in incorrect code.Diagnostics: A structured suggestion resulting in incorrect code.

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.

#147894 In rust-lang/rust;

· erikh opened on Oct 20, 2025

Bare type in <code>impl</code> parameter list causes non-intuitive parse error

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

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

P-lowLow priorityLow priority

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.

#147889 In rust-lang/rust;

· estebank opened on Oct 19, 2025

spurious test failures <code>condvar::nonpoison_timeout_nanoseconds</code>

A-spuriousArea: Spurious failures in builds (spuriously == for no apparent reason)Area: Spurious failures in builds (spuriously == for no apparent reason)

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-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#147885 In rust-lang/rust;

· matthiaskrgr opened on Oct 19, 2025

"Size::sub: 0 - 8 would result in negative size" ICE on sparc

A-ABIArea: Concerning the application binary interface (ABI)Area: Concerning the application binary interface (ABI)

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) ❄️

O-SPARCTarget: SPARC processorsTarget: SPARC processors

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.

#147883 In rust-lang/rust;

· bjorn3 opened on Oct 19, 2025

Internal compiler error when building docs for <code>[email protected]</code> on nightly

A-link-to-definitionrustdoc --generate-link-to-definition nightly-only featurerustdoc --generate-link-to-definition nightly-only feature

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

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

E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

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

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.

#147882 In rust-lang/rust;

· 0xangelo opened on Oct 19, 2025

<code>compiletest</code> compile-flags forwarding between current test crate and auxiliaries/minicore is iffy

A-compiletestArea: The compiletest test runnerArea: The compiletest test runner

A-compiletest-directivesArea: compiletest directivesArea: compiletest directives

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

E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.

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.

#147881 In rust-lang/rust;

· jieyouxu opened on Oct 19, 2025

Tracking Issue for <code>[u8]::split_ascii_whitespace</code>

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.

#147878 In rust-lang/rust;

· jdahlstrom opened on Oct 19, 2025

Weird error message when a struct literal is used in a condition of an if statement

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

A-parserArea: The lexing & parsing of Rust source code to an ASTArea: The lexing & parsing of Rust source code to an AST

D-terseDiagnostics: An error or lint that doesn't give enough information about the problem at hand.Diagnostics: An error or lint that doesn't give enough information about the problem at hand.

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.

#147877 In rust-lang/rust;

· baehyunsol opened on Oct 19, 2025

Local variable deallocated out of order in the panic path?

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

A-destructorsArea: Destructors (`Drop`, …)Area: Destructors (`Drop`, …)

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

T-langRelevant to the language teamRelevant to the language team

T-opsemRelevant to the opsem teamRelevant to the opsem team

Status: Open.

#147875 In rust-lang/rust;

· theemathas opened on Oct 19, 2025

Using <code>#[inline(always)]</code> and <code>become</code> together leads to LLVM failure

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

E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

F-explicit_tail_calls`#![feature(explicit_tail_calls)]``#![feature(explicit_tail_calls)]`

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

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.

#147865 In rust-lang/rust;

· InvalidPathException opened on Oct 19, 2025