[the_duke]

There are a lot of alternative lock implementations that are used all the time, with the most common ones probably being tokios RwLock/Mutex and parking_lot.

That lint won't help for those.

[GolDDranks]

There was an idea floated for another lint `#[diagnostics::lint_as_temporary(reason = "...")]`, which is supposed to be added by implementors of such locks. https://github.com/rust-lang/rust/issues/131154#issuecomment...