In an earlier version of sokoban-rs, the author included a `use` statement in the middle of a loop. Let's catch such stuff and propose putting it at the top of the file. <!-- TRIAGEBOT_START --> <!-- TRIAGEBOT_ASSIGN_START --> <!-- TRIAGEBOT_ASSIGN_DATA_START$${"user":"utkrsharmaa"}$$TRIAGEBOT_ASSIGN_DATA_END --> <!-- TRIAGEBOT_ASSIGN_END --> <!-- TRIAGEBOT_END -->