src/test/ui/nll/issue-51268.stderr

   1 error[E0502]: cannot borrow `self.thing` as mutable because it is also borrowed as immutable
   2   --> $DIR/issue-51268.rs:28:9
   3    |
   4 LL |           self.thing.bar(|| {
   5    |           ^          --- -- immutable borrow occurs here
   6    |           |          |
   7    |  _________|          immutable borrow later used by call
   8    | |
   9 LL | |         //~^ ERROR cannot borrow `self.thing` as mutable because it is also borrowed as immutable [E0502]
  10 LL | |             &self.number;
  11    | |              ---- first borrow occurs due to use of `self` in closure
  12 LL | |         });
  13    | |__________^ mutable borrow occurs here
  14
  15 error: aborting due to previous error
  16
  17 For more information about this error, try `rustc --explain E0502`.