error[E0107]: wrong number of lifetime arguments: expected 1, found 0
  --> $DIR/unboxed-closure-sugar-region.rs:30:43
   |
LL | fn test2(x: &Foo<(isize,),Output=()>, y: &Foo(isize)) {
   |                                           ^^^^^^^^^^ expected 1 lifetime argument

error: aborting due to previous error

For more information about this error, try `rustc --explain E0107`.