tests/ui/attributes/where-doc.stderr

error: most attributes are not supported in `where` clauses
  --> $DIR/where-doc.rs:6:1
   |
LL | #[doc(alias = ":(")]
   | ^^^^^^^^^^^^^^^^^^^^
   |
   = help: only `#[cfg]` and `#[cfg_attr]` are supported

error: most attributes are not supported in `where` clauses
  --> $DIR/where-doc.rs:11:1
   |
LL | #[doc(hidden)]
   | ^^^^^^^^^^^^^^
   |
   = help: only `#[cfg]` and `#[cfg_attr]` are supported

error: most attributes are not supported in `where` clauses
  --> $DIR/where-doc.rs:15:1
   |
LL | #[doc = ""]
   | ^^^^^^^^^^^
   |
   = help: only `#[cfg]` and `#[cfg_attr]` are supported

error: `#[doc(alias = "...")]` isn't allowed on where predicate
  --> $DIR/where-doc.rs:6:15
   |
LL | #[doc(alias = ":(")]
   |               ^^^^

error: aborting due to 4 previous errors