src/test/ui/feature-gates/feature-gate-doc_notable_trait.stderr

   1 error[E0658]: `#[doc(notable_trait)]` is experimental
   2   --> $DIR/feature-gate-doc_notable_trait.rs:1:1
   3    |
   4 LL | #[doc(notable_trait)]
   5    | ^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: see issue #45040 <https://github.com/rust-lang/rust/issues/45040> for more information
   8    = help: add `#![feature(doc_notable_trait)]` to the crate attributes to enable
   9
  10 error: aborting due to previous error
  11
  12 For more information about this error, try `rustc --explain E0658`.