1 error[E0382]: borrow of moved value: `b`
2 --> $DIR/closure.rs:28:5
8 | ^ value borrowed here after move
10 note: closure cannot be moved more than once as it is not `Copy` due to moving the variable `a` out of its environment
11 --> $DIR/closure.rs:21:9
15 help: consider mutably borrowing `b`
17 LL | let mut c = &mut b;
20 error: aborting due to previous error
22 For more information about this error, try `rustc --explain E0382`.