| 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 | 
 |  |