src/test/ui/borrowck/issue-25793.stderr

   1 error[E0503]: cannot use `self.width` because it was mutably borrowed
   2   --> $DIR/issue-25793.rs:4:9
   3    |
   4 LL |         $this.width.unwrap()
   5    |         ^^^^^^^^^^^ use of borrowed `*self`
   6 ...
   7 LL |         let r = &mut *self;
   8    |                 ---------- borrow of `*self` occurs here
   9 LL |         r.get_size(width!(self))
  10    |           -------- ------------ in this macro invocation
  11    |           |
  12    |           borrow later used by call
  13    |
  14    = note: this error originates in the macro `width` (in Nightly builds, run with -Z macro-backtrace for more info)
  15
  16 error: aborting due to previous error
  17
  18 For more information about this error, try `rustc --explain E0503`.