src/test/ui/attributes/unknown-attr.stderr

   1 error: cannot find attribute macro `mutable_doc` in this scope
   2   --> $DIR/unknown-attr.rs:5:4
   3    |
   4 LL | #![mutable_doc]
   5    |    ^^^^^^^^^^^
   6
   7 error: cannot find attribute macro `dance` in this scope
   8   --> $DIR/unknown-attr.rs:8:3
   9    |
  10 LL | #[dance] mod a {}
  11    |   ^^^^^
  12
  13 error: cannot find attribute macro `dance` in this scope
  14   --> $DIR/unknown-attr.rs:11:3
  15    |
  16 LL | #[dance] fn main() {}
  17    |   ^^^^^
  18
  19 error: aborting due to 3 previous errors
  20