error[E0433]: failed to resolve: use of undeclared crate or module `should_panic`
  --> $DIR/check-builtin-attr-ice.rs:43:7
   |
LL |     #[should_panic::skip]
   |       ^^^^^^^^^^^^ use of undeclared crate or module `should_panic`

error[E0433]: failed to resolve: use of undeclared crate or module `should_panic`
  --> $DIR/check-builtin-attr-ice.rs:47:7
   |
LL |     #[should_panic::a::b::c]
   |       ^^^^^^^^^^^^ use of undeclared crate or module `should_panic`

error[E0433]: failed to resolve: use of undeclared crate or module `deny`
  --> $DIR/check-builtin-attr-ice.rs:55:7
   |
LL |     #[deny::skip]
   |       ^^^^ use of undeclared crate or module `deny`

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0433`.