error[E0499]: cannot borrow `*x.__pointer` as mutable more than once at a time | |
--> $DIR/pin-reborrow-once.rs:12:14 | |
| | |
LL | twice(x, x); | |
| ----- - ^ second mutable borrow occurs here | |
| | | | |
| | first mutable borrow occurs here | |
| first borrow later used by call | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0499`. |