error: this let-binding has unit value. Consider omitting `let _x =` --> $DIR/let_unit.rs:24:5 | 24 | let _x = println!("x"); | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::let-unit-value` implied by `-D warnings` error: this let-binding has unit value. Consider omitting `let _a =` --> $DIR/let_unit.rs:28:9 | 28 | let _a = (); | ^^^^^^^^^^^^ error: aborting due to 2 previous errors