error: functions used as benches must have signature `fn(&mut Bencher) -> impl Termination` --> $DIR/issue-12997-1.rs:8:1 | LL | fn foo() { } | ^^^^^^^^^^^^ error: functions used as benches must have signature `fn(&mut Bencher) -> impl Termination` --> $DIR/issue-12997-1.rs:11:1 | LL | fn bar(x: isize, y: isize) { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors