src/test/ui/error-codes/E0389.stderr

   1 error[E0594]: cannot assign to `fancy_ref.num` which is behind a `&` reference
   2   --> $DIR/E0389.rs:8:5
   3    |
   4 LL |     let fancy_ref = &(&mut fancy);
   5    |                     ------------- help: consider changing this to be a mutable reference: `&mut (&mut fancy)`
   6 LL |     fancy_ref.num = 6;
   7    |     ^^^^^^^^^^^^^^^^^ `fancy_ref` is a `&` reference, so the data it refers to cannot be written
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0594`.