1error[E0220]: associated type `Output` not found for `One<()>`
2  --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters-1.rs:5:16
3   |
4LL | fn foo(_: &dyn One())
5   |                ^^^^^ associated type `Output` not found
6
7error: aborting due to previous error
8
9For more information about this error, try `rustc --explain E0220`.
10