parse "gopher://null.host:0/\u0092\xbdWň\x95\x95\xe8\xe5\x89\xc1\x14\xaat\xediMe|\x1c홛\xbduRK\x17\vĶ\xb4\xcb\x1f\xce\xea\xb8\xfe9\xdcD\x95\xa2[\x9c\x1c\xb7\x81\xeb\u007f\x10\xaf\xaeep\xa1\x8b\xb3!": net/url: invalid control character in URL