error: the function has a cognitive complexity of (3/0) --> $DIR/cognitive_complexity_attr_used.rs:9:4 | LL | fn kaboom() { | ^^^^^^ | = help: you could split it up into multiple smaller functions = note: `-D clippy::cognitive-complexity` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::cognitive_complexity)]` error: aborting due to previous error