error: unknown diagnostic attribute
  --> $DIR/suggest_typos.rs:4:15
   |
LL | #[diagnostic::onunimplemented]
   |               ^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/suggest_typos.rs:2:9
   |
LL | #![deny(unknown_or_malformed_diagnostic_attributes)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: an attribute with a similar name exists
   |
LL | #[diagnostic::on_unimplemented]
   |                 +

error: unknown diagnostic attribute
  --> $DIR/suggest_typos.rs:9:15
   |
LL | #[diagnostic::un_onimplemented]
   |               ^^^^^^^^^^^^^^^^
   |
help: an attribute with a similar name exists
   |
LL - #[diagnostic::un_onimplemented]
LL + #[diagnostic::on_unimplemented]
   |

error: unknown diagnostic attribute
  --> $DIR/suggest_typos.rs:14:15
   |
LL | #[diagnostic::on_implemented]
   |               ^^^^^^^^^^^^^^
   |
help: an attribute with a similar name exists
   |
LL | #[diagnostic::on_unimplemented]
   |                  ++

error: unknown diagnostic attribute
  --> $DIR/suggest_typos.rs:19:15
   |
LL | #[diagnostic::dont_recommend]
   |               ^^^^^^^^^^^^^^
   |
help: an attribute with a similar name exists
   |
LL - #[diagnostic::dont_recommend]
LL + #[diagnostic::do_not_recommend]
   |

error: aborting due to 4 previous errors