Clippy Bug Minimal Reproducible Example

When running clippy, the generated output contains invalid syntax.

pub struct Flags {
    val: u8,
}

gets transformed to

pub struct Flags {
    al: u,
}

1. Install cargo nightly 1.90.0-nightly (3014e79f9 2025-07-15)
2. Run cargo clippy Output

   - val: u8,
   + al: u,