1error: this must repeat at least once 2 --> $DIR/issue-61033-1.rs:4:34 3 | 4LL | ($x:ident, $($tt:tt)*) => { $($tt)+ } 5 | ^^^^^ 6 7error[E0308]: mismatched types 8 --> $DIR/issue-61033-1.rs:9:33 9 | 10LL | let _recovery_witness: () = 0; 11 | -- ^ expected `()`, found integer 12 | | 13 | expected due to this 14 15error: aborting due to 2 previous errors 16 17For more information about this error, try `rustc --explain E0308`. 18