error[E0277]: the trait bound `u32: Trait` is not satisfied --> $DIR/trait_objects_fail.rs:28:9 | LL | foo(&10_u32); | --- ^^^^^^^ the trait `Trait` is not implemented for `u32` | | | required by a bound introduced by this call | = help: the following implementations were found: > = note: required for the cast to the object type `dyn Trait` error[E0277]: the trait bound `bool: Traitor<{_: u8}, {_: u8}>` is not satisfied --> $DIR/trait_objects_fail.rs:30:9 | LL | bar(&true); | --- ^^^^^ the trait `Traitor<{_: u8}, {_: u8}>` is not implemented for `bool` | | | required by a bound introduced by this call | = help: the following implementations were found: > = note: required for the cast to the object type `dyn Traitor<{_: u8}, {_: u8}>` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`.