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Theoretical breaking change from a combination of frontmatter and include!

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

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

P-highHigh priorityHigh priority

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.

#145945 In rust-lang/rust;

· mattheww opened on Aug 27, 2025

warning that uninhabited struct is never constructed

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.

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.

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-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

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.

#145936 In rust-lang/rust;

· ijackson opened on Aug 27, 2025

<code>integer_to_ptr_transmutes</code> turns <code>transmute::&lt;.. &amp;str&gt;</code> into <code>&amp;*std::ptr::with_exposed_provenance::&lt;str&gt;</code> causing error

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

A-suggestion-diagnosticsArea: Suggestions generated by the compiler applied by `cargo fix`Area: Suggestions generated by the compiler applied by `cargo fix`

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.

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.

#145935 In rust-lang/rust;

· matthiaskrgr opened on Aug 27, 2025

STATUS_ILLEGAL_INSTRUCTION for parallel-rustc <code>export-symbols-deadlock-issue-118205-2.rs</code> on x86_64-pc-windows-gnu

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

O-windows-gnuToolchain: GNU, Operating system: WindowsToolchain: GNU, Operating system: Windows

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.

#145927 In rust-lang/rust;

· ehuss opened on Aug 27, 2025

ICE <code> expr in place where literal is expected (builtin attr parsing)</code>

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

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) ❄️

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.

#145922 In rust-lang/rust;

· matthiaskrgr opened on Aug 27, 2025

Expanding type recursion check in debug info generation has false positives

A-debuginfoArea: Debugging information in compiled programs (DWARF, PDB, etc.)Area: Debugging information in compiled programs (DWARF, PDB, etc.)

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.

#145912 In rust-lang/rust;

· adwinwhite opened on Aug 27, 2025

Temporaries not extended in format_args!() with only one placeholder

A-fmtArea: `core::fmt`Area: `core::fmt`

A-temporary-lifetime-extensionArea: temporary lifetime extensionArea: temporary lifetime extension

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

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-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.

#145880 In rust-lang/rust;

· m-ou-se opened on Aug 26, 2025

In consts, values with destructors can be lifetime-extended into statics.

A-const-evalArea: Constant evaluation, covers all const contexts (static, const fn, ...)Area: Constant evaluation, covers all const contexts (static, const fn, ...)

A-temporary-lifetime-extensionArea: temporary lifetime extensionArea: temporary lifetime extension

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

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-langRelevant to the language teamRelevant to the language team

Status: Open.

#145868 In rust-lang/rust;

· theemathas opened on Aug 26, 2025

rustc final stages extremely slow for large programs, with msvc builds (1.89)

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.

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-windows-msvcToolchain: MSVC, Operating system: WindowsToolchain: MSVC, Operating system: Windows

Status: Open.

#145864 In rust-lang/rust;

· raggi opened on Aug 26, 2025

ld.so assertion failure when using raw-dylib on Linux

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

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-linuxOperating system: LinuxOperating system: Linux

Status: Open.

#145854 In rust-lang/rust;

· jethrogb opened on Aug 25, 2025

npm 429 Too Many Requests on <code>browser-ui-test</code>

A-CIArea: Our Github Actions CIArea: Our Github Actions CI

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.

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

Status: Open.

#145850 In rust-lang/rust;

· jieyouxu opened on Aug 25, 2025

Searching for <code>Type::prefix</code> does not prioritize methods on <code>Type</code> over doc aliases that start with <code>prefix</code> on a different type

A-rustdoc-searchArea: Rustdoc's search featureArea: Rustdoc's search feature

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

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.

T-rustdoc-frontendRelevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

Status: Open.

#145829 In rust-lang/rust;

· zachs18 opened on Aug 24, 2025