| error[E0596]: cannot borrow `data` as mutable, as it is not declared as mutable | |
| --> $DIR/issue-61187.rs:6:5 | |
| | | |
| LL | async fn response(data: Vec<u8>) { | |
| | ---- help: consider changing this to be mutable: `mut data` | |
| LL | data.reverse(); | |
| | ^^^^ cannot borrow as mutable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0596`. |