src/test/ui/issues/issue-21160.stderr

   1 error[E0277]: the trait bound `Bar: Hash` is not satisfied
   2   --> $DIR/issue-21160.rs:8:12
   3    |
   4 LL | #[derive(Hash)]
   5    |          ---- in this derive macro expansion
   6 LL | struct Foo(Bar);
   7    |            ^^^ the trait `Hash` is not implemented for `Bar`
   8    |
   9    = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
  10
  11 error: aborting due to previous error
  12
  13 For more information about this error, try `rustc --explain E0277`.