error: unnecessary parentheses around match arm expression
  --> $DIR/issue-92751.rs:4:21
   |
LL |         Some(()) => (1),
   |                     ^ ^
   |
note: the lint level is defined here
  --> $DIR/issue-92751.rs:1:8
   |
LL | #[deny(unused)]
   |        ^^^^^^
   = note: `#[deny(unused_parens)]` implied by `#[deny(unused)]`
help: remove these parentheses
   |
LL -         Some(()) => (1),
LL +         Some(()) => 1,
   |

error: unnecessary parentheses around match arm expression
  --> $DIR/issue-92751.rs:5:17
   |
LL |         None => (2),
   |                 ^ ^
   |
help: remove these parentheses
   |
LL -         None => (2),
LL +         None => 2,
   |

error: aborting due to 2 previous errors