src/test/ui/did_you_mean/issue-38147-3.nll.stderr

   1 error[E0596]: cannot borrow `*self.s` as mutable, as it is behind a `&` reference
   2   --> $DIR/issue-38147-3.rs:17:9
   3    |
   4 LL |         self.s.push('x');
   5    |         ^^^^^^ cannot borrow as mutable
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0596`.