trait NewTrait : SomeNonExistentTrait {} //~^ ERROR cannot find trait `SomeNonExistentTrait` in this scope impl SomeNonExistentTrait for isize {} //~^ ERROR cannot find trait `SomeNonExistentTrait` in this scope fn f<T:SomeNonExistentTrait>() {} //~^ ERROR cannot find trait `SomeNonExistentTrait` in this scope fn main() {}