direction isn't needed

src/database/rooms.rs

@@ -35,7 +35,7 @@ impl Db {
 			"Unable to perform query"
 		);
 
-		for (direction, exit) in room.exits.iter() {
+		for (_, exit) in room.exits.iter() {
 			let mut statement = try_log!(
 				self.0
 					.prepare("insert into exits (room, target, direction) values (?, ?, ?);"),