On Windows Action commit files with Windows paths in their names.

[clovexx]

Run mbrobbel/rustfmt-check@master
  with:
    token: ***
    mode: commit
    commit-message: Format Rust code using rustfmt
 env:
    CARGO_INCREMENTAL: 0

C:\Users\runneradmin\.cargo\bin\cargo.exe fmt -- -l
\\?\D:\a\projectname\projectname\build.rs
\\?\D:\a\projectname\projectname\src\lib.rs