error: `--x` could be misinterpreted as pre-decrement by C programmers, is usually a no-op --> $DIR/double_neg.rs:7:5 | LL | --x; | ^^^ | = note: `-D clippy::double-neg` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::double_neg)]` error: aborting due to previous error