error: at attribute must be present on every variant
 --> $DIR/bad-ats-fail.rs:3:5
  |
3 |     One,
  |     ^^^

error: only one at attribute must be present
 --> $DIR/bad-ats-fail.rs:8:5
  |
8 | /     #[at("/one")]
9 | |     #[at("/two")]
  | |_________________^