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[Feature Request] allow blank line as first line within functions

C-feature-requestCategory: a feature request (not decided/implemented)Category: a feature request (not decided/implemented)

needs-triageThis issue or PR needs triaging to determine its status. Remove label once sufficiently triaged.This issue or PR needs triaging to determine its status. Remove label once sufficiently triaged.

Status: Open.

#6854 In rust-lang/rustfmt;

· bogzbonny opened on Apr 3, 2026

[ICE]: end byte index 100 is not a char boundary; it is inside '☃' (bytes 98..101 of string)

A-unicodeArea: Unicode handlingArea: Unicode handling

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

I-ICEIssue: Internal Compiler Error (ICE) reported by rustfmtIssue: Internal Compiler Error (ICE) reported by rustfmt

Status: Open.

#6850 In rust-lang/rustfmt;

· jieyouxu opened on Apr 1, 2026

max_width not obeyed in match arm tuple

A-matchesArea: match arms, patterns, blocks, etcArea: match arms, patterns, blocks, etc

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

F-impacts-stable-formatted-codeExpected formatting impact: affects stable formatted code (caution)Expected formatting impact: affects stable formatted code (caution)

F-impacts-stable-optionsExpected formatting impact: impacts stable options (caution)Expected formatting impact: impacts stable options (caution)

I-max-widthIssue: formatting exceeds maximum widthIssue: formatting exceeds maximum width

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

Status: Open.

#6848 In rust-lang/rustfmt;

· warrd opened on Mar 31, 2026

Rustc ICE while formatting

A-unicodeArea: Unicode handlingArea: Unicode handling

I-ICEIssue: Internal Compiler Error (ICE) reported by rustfmtIssue: Internal Compiler Error (ICE) reported by rustfmt

S-needs-reproStatus: this issue has no reproduction and needs a reproduction to make progressStatus: this issue has no reproduction and needs a reproduction to make progress

Status: Open.

#6847 In rust-lang/rustfmt;

· ThatGeoGuy opened on Mar 30, 2026

ICE when running cargo fmt -- --config-path ../foo/bar.toml with unstable ignore feature

I-ICEIssue: Internal Compiler Error (ICE) reported by rustfmtIssue: Internal Compiler Error (ICE) reported by rustfmt

P-lowLow priorityLow priority

Status: Open.

#6843 In rust-lang/rustfmt;

· davidgauch opened on Mar 26, 2026

rustfmt rewrites valid impl<T: /*comment*/> into invalid syntax with ,,

A-commentsArea: commentsArea: comments

A-trait-boundsArea: trait boundsArea: trait bounds

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

I-invalid-codeIssue: formatting causes compile-pass code to compile-failIssue: formatting causes compile-pass code to compile-fail

Status: Open.

#6837 In rust-lang/rustfmt;

· Marsman1996 opened on Mar 23, 2026

[Feature Request]: Derive entry per crate

C-feature-requestCategory: a feature request (not decided/implemented)Category: a feature request (not decided/implemented)

P-lowLow priorityLow priority

SO-merge_derivesStable option: merge_derivesStable option: merge_derives

Status: Open.

Feature Request

#6836 In rust-lang/rustfmt;

· Arisa-Snowbell opened on Mar 22, 2026

Trailing space on doc comment

A-doc-commentsArea: doc comments `/** */`, `#[doc = "..."]`, `///` and `//!`.Area: doc comments `/** */`, `#[doc = "..."]`, `///` and `//!`.

A-whitespaceArea: whitespace and its handlingArea: whitespace and its handling

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

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

Status: Open.

#6832 In rust-lang/rustfmt;

· Ciznia opened on Mar 19, 2026

inconsistent imports sorting when merging imports

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

F-impacts-stable-default-formatExpected formatting impact: affects stable default format configuration (caution)Expected formatting impact: affects stable default format configuration (caution)

F-impacts-stable-formatted-codeExpected formatting impact: affects stable formatted code (caution)Expected formatting impact: affects stable formatted code (caution)

F-impacts-stable-optionsExpected formatting impact: impacts stable options (caution)Expected formatting impact: impacts stable options (caution)

I-unexpected-motionIssue: unexpected motion of code or commentsIssue: unexpected motion of code or comments

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

SO-reorder_importsStable option: reorder_importsStable option: reorder_imports

Status: Open.

#6830 In rust-lang/rustfmt;

· antonilol opened on Mar 17, 2026

Keep used items on individual lines when requested

A-importsArea: imports, e.g. `use` syntaxArea: imports, e.g. `use` syntax

C-feature-requestCategory: a feature request (not decided/implemented)Category: a feature request (not decided/implemented)

Status: Open.

Feature Request

#6829 In rust-lang/rustfmt;

· tomassedovic opened on Mar 17, 2026

Struct patterns containing .. are sometimes formatted neither vertically nor on a single line

A-patternsArea: patternsArea: patterns

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

needs-triageThis issue or PR needs triaging to determine its status. Remove label once sufficiently triaged.This issue or PR needs triaging to determine its status. Remove label once sufficiently triaged.

Status: Open.

#6827 In rust-lang/rustfmt;

· taylordotfish opened on Mar 12, 2026

[ICE]: SourceAnnotation range (21, 22) is bigger than source length 20

A-unicodeArea: Unicode handlingArea: Unicode handling

C-bugCategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICECategory: this is a bug; use also I-* labels for specific bug kinds, e.g. I-non-idempotency or I-ICE

I-ICEIssue: Internal Compiler Error (ICE) reported by rustfmtIssue: Internal Compiler Error (ICE) reported by rustfmt

Status: Open.

#6826 In rust-lang/rustfmt;

· jieyouxu opened on Mar 12, 2026