"`{self_ty}` implements `ToString` through a slower blanket impl, but `{deref_self_ty}` has a fast specialization of `ToString`"
));
let mut applicability = Applicability::MachineApplicable;
"`{self_ty}` implements `ToString` through a slower blanket impl, but `{deref_self_ty}` has a fast specialization of `ToString`"
));
let mut applicability = Applicability::MachineApplicable;