1 error[E0658]: #[doc(alias = "...")] is experimental (see issue #50146)
2 --> $DIR/feature-gate-doc_alias.rs:11:1
4 LL | #[doc(alias = "foo")] //~ ERROR: #[doc(alias = "...")] is experimental
5 | ^^^^^^^^^^^^^^^^^^^^^
7 = help: add #![feature(doc_alias)] to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0658`.