improve error messages

src/world/room.rs

@@ -79,14 +79,14 @@ impl<'a> TryFrom<&Row<'a>> for Room {
 
 	fn try_from(row: &Row) -> Result<Self, Self::Error> {
 		Ok(Self {
-			id: try_log!(row.get("id"), "id"),
+			id: try_log!(row.get("id"), "Unable to get column 'id' from row"),
-			zone: try_log!(row.get("zone"), "zone"),
+			zone: try_log!(row.get("zone"), "Unable to get column 'zone' from row"),
-			name: try_log!(row.get("name"), "name"),
+			name: try_log!(row.get("name"), "Unable to get column 'name' from row"),
-			description: try_log!(row.get::<&str, String>("description"), "description")
+			description: try_log!(row.get::<&str, String>("description"), "Unable to get column 'description' from row")
 				.lines()
 				.map(|s| String::from(s))
 				.collect(),
-			users_visible: try_log!(row.get("users_visible"), "users_visible"),
+			users_visible: try_log!(row.get("users_visible"), "Unable to get column 'users_visible' from row"),
 			exits: HashMap::new(),
 		})
 	}