src/test/rustdoc-ui/check-cfg-test.stderr

   1 warning: unexpected `cfg` condition value
   2   --> $DIR/check-cfg-test.rs:9:7
   3    |
   4 LL | #[cfg(feature = "invalid")]
   5    |       ^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: expected values for `feature` are: test
   8    = note: `#[warn(unexpected_cfgs)]` on by default
   9
  10 warning: 1 warning emitted
  11