error: the function has a cyclomatic complexity of 3
  --> $DIR/cyclomatic_complexity_attr_used.rs:18:1
   |
LL | / fn kaboom() {
LL | |     if 42 == 43 {
LL | |         panic!();
LL | |     } else if "cake" == "lie" {
LL | |         println!("what?");
LL | |     }
LL | | }
   | |_^
   |
   = note: `-D clippy::cyclomatic-complexity` implied by `-D warnings`
   = help: you could split it up into multiple smaller functions

error: aborting due to previous error