| error[E0499]: cannot borrow `x` as mutable more than once at a time | |
| --> $DIR/issue-11715.rs:5:18 | |
| | | |
| LL | let y = &mut x; | |
| | - first mutable borrow occurs here | |
| LL | let z = &mut x; | |
| | ^ second mutable borrow occurs here | |
| ... | |
| LL | } | |
| | - first borrow ends here | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0499`. |