Finds cruise keys that are malformed (do not match YYYY-MM-NODC pattern)
or contain placeholder "?" characters from interim ship entries. Used to
populate the mismatches$cruise_keys section of manifest.json.
Finds cruise keys that are malformed (do not match YYYY-MM-NODC pattern)
or contain placeholder "?" characters from interim ship entries. Used to
populate the mismatches$cruise_keys section of manifest.json.