As #17814 was merged, I think that [E0038](https://doc.rust-lang.org/error_codes/E0038.html?highlight=E0038) can be implemented with ease <!-- TRIAGEBOT_START --> <!-- TRIAGEBOT_ASSIGN_START --> <!-- TRIAGEBOT_ASSIGN_DATA_START$${"user":"ChayimFriedman2"}$$TRIAGEBOT_ASSIGN_DATA_END --> <!-- TRIAGEBOT_ASSIGN_END --> <!-- TRIAGEBOT_END -->