| error: `ref` directly on a function argument is ignored. Consider using a reference type instead. | |
| --> $DIR/toplevel_ref_arg_non_rustfix.rs:4:15 | |
| | | |
| LL | fn the_answer(ref mut x: u8) { | |
| | ^^^^^^^^^ | |
| | | |
| = note: `-D clippy::toplevel-ref-arg` implied by `-D warnings` | |
| error: aborting due to previous error | |