error: this let-binding has unit value. Consider omitting `let _x =` --> examples/let_unit.rs:14:5 | 14 | let _x = println!("x"); | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D let-unit-value` implied by `-D warnings` error: this let-binding has unit value. Consider omitting `let _a =` --> examples/let_unit.rs:18:9 | 18 | let _a = (); | ^^^^^^^^^^^^ | = note: `-D let-unit-value` implied by `-D warnings` error: aborting due to 2 previous errors error: Could not compile `clippy_tests`. To learn more, run the command again with --verbose.