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The std build failed for thumbv7em-nuttx-eabihf target.

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.

#156790 In rust-lang/rust;

· 823984418 opened on May 21, 2026

CTFE cannot access any field of a static if a single one of them has interior mutability.

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.

#156789 In rust-lang/rust;

· Authomats opened on May 20, 2026

Tracking issue for release notes of #155527: Replace printables table with unicode_data.rs tables

A-UnicodeArea: UnicodeArea: Unicode

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.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

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.

#156782 In rust-lang/rust;

· rustbot opened on May 20, 2026

Tracking issue for release notes of #44930: Tracking issue for RFC 2137: Support defining C-compatible variadic functions in Rust (c_variadic)

A-FFIArea: Foreign function interface (FFI)Area: Foreign function interface (FFI)

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

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.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-langRelevant to the language teamRelevant to the language team

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.

#156781 In rust-lang/rust;

· rustbot opened on May 20, 2026

[ICE]: invalid float op: AddWithOverflow

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

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

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

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

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.

WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)The Rustc Trait System Refactor Initiative (-Znext-solver)

Status: Open.

#156780 In rust-lang/rust;

· matthiaskrgr opened on May 20, 2026

Tracking issue for release notes of #148494: Tracking Issue for Path::is_empty

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.

relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

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.

#156779 In rust-lang/rust;

· rustbot opened on May 20, 2026

[ICE]: TyAlias unexpectedly reached by ReachEverythingInTheInterfaceVisitor

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

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

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.

#156778 In rust-lang/rust;

· matthiaskrgr opened on May 20, 2026

Sized check inconsistently checks/ignores lifetimes

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

A-MIRArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html

A-trait-systemArea: Trait systemArea: Trait system

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

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.

#156770 In rust-lang/rust;

· theemathas opened on May 20, 2026

[ICE]: could not resolve DefId

A-global-asmArea: `global_asm!`Area: `global_asm!`

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.

#156760 In rust-lang/rust;

· matthiaskrgr opened on May 19, 2026

Tracking Issue for Share trait

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

Status: Open.

#156756 In rust-lang/rust;

· P8L1 opened on May 19, 2026

the const parameter SIZE is not constrained by the impl trait, self type, or predicates

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

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

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

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

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.

#156745 In rust-lang/rust;

· nazar-pc opened on May 19, 2026

[ICE]: unexpected inference var

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.

#156744 In rust-lang/rust;

· nazar-pc opened on May 19, 2026