1 error[E0499]: cannot borrow `*bar` as mutable more than once at a time
2 --> $DIR/issue-51117.rs:10:13
5 | --- first mutable borrow occurs here
7 | ^^^^^^^^^^ second mutable borrow occurs here
9 | --- first borrow later used here
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0499`.