$ pgloader mysql://user@127.0.0.1/dbname pg_dbname
2017-08-22T01:41:15.012000Z LOG Starting pgloader, log system is ready.
2017-08-22T01:41:15.038000Z LOG Main logs in '/tmp/pgloader/pgloader.log'
2017-08-22T01:41:15.043000Z LOG Data errors in '/tmp/pgloader/'
2017-08-22T01:41:15.043000Z ERROR Can not find file: "mysql://user@127.0.0.1/dbname"
2017-08-22T01:41:15.043000Z ERROR Can not find file: "pg_dbname"