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Bogus suggestion of <code>#![crate_name = "…"]</code> when trying to build binary like "udpinject.rs"

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

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.

#150023 In rust-lang/rust;

· nabijaczleweli opened on Dec 15, 2025

nightly regression: coverage contains bad paths

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage)Area: Source-based code coverage (-Cinstrument-coverage)

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

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

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.

#150020 In rust-lang/rust;

· alex opened on Dec 15, 2025

Path metavars inside macro expansions can't be used to refer to macros in some context

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.

Status: Open.

#150019 In rust-lang/rust;

· bjorn3 opened on Dec 15, 2025

assertion failed: trying to encode a dep node twice

A-incr-compArea: Incremental compilationArea: Incremental compilation

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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.

Status: Open.

#150018 In rust-lang/rust;

· zetanumbers opened on Dec 15, 2025

Diagnostics regressed with 1.92.0

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-verboseDiagnostics: Too much output caused by a single piece of incorrect code.Diagnostics: Too much output caused by a single piece of incorrect code.

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

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.

#150017 In rust-lang/rust;

· weiznich opened on Dec 15, 2025

macro_metavar_expr_concat broken when combining repeats and optionals

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

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

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.

#150002 In rust-lang/rust;

· bjorn3 opened on Dec 14, 2025

cannot assign to data in an index of HashMap&lt;_, _&gt; diagnostic suggests all solutions at once

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

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.

#150001 In rust-lang/rust;

· GTimothy opened on Dec 14, 2025

SIGSEGV with -Cremark=all on aarch64-apple-darwin

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-crashIssue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

O-AArch64Armv8-A or later processors in AArch64 modeArmv8-A or later processors in AArch64 mode

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.

#149996 In rust-lang/rust;

· rosborn opened on Dec 14, 2025

Checked arithmetic is wrong for Durations smaller than 100ns on Windows

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.

O-windowsOperating system: WindowsOperating system: Windows

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.

#149995 In rust-lang/rust;

· cvengler opened on Dec 14, 2025

Tracking Issue for amdgpu arch intrinsics

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.

#149988 In rust-lang/rust;

· Flakebi opened on Dec 14, 2025

ICE: eii on generic <code> Instance::mono: DefId(..) has type parameters</code>

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

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

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.

Status: Open.

#149983 In rust-lang/rust;

· matthiaskrgr opened on Dec 14, 2025

ICE eii: multiple annotations

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

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

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.

#149982 In rust-lang/rust;

· matthiaskrgr opened on Dec 14, 2025