tests/ui/associated-inherent-types/assoc-inherent-unstable.stderr

   1 error[E0658]: use of unstable library feature 'data'
   2   --> $DIR/assoc-inherent-unstable.rs:4:13
   3    |
   4 LL | type Data = aux::Owner::Data;
   5    |             ^^^^^^^^^^^^^^^^
   6    |
   7    = help: add `#![feature(data)]` to the crate attributes to enable
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0658`.