error[E0277]: the trait bound `Foo: Trait` is not satisfied --> $DIR/dont-pick-fnptr-bound-as-leaf.rs:24:20 | LL | requires_trait(Foo); | -------------- ^^^ the trait `Trait` is not implemented for `Foo` | | | required by a bound introduced by this call | note: required by a bound in `requires_trait` --> $DIR/dont-pick-fnptr-bound-as-leaf.rs:19:22 | LL | fn requires_trait(_: T) {} | ^^^^^ required by this bound in `requires_trait` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.