LL | let _ = m.lock();
| ^^^^^^^^^^^^^^^^^
|
- = note: `-D clippy::let-underscore-lock` implied by `-D warnings`
= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
+ = note: `-D clippy::let-underscore-lock` implied by `-D warnings`
error: non-binding let on a synchronization lock
--> $DIR/let_underscore_lock.rs:10:5