parse "gopher://null.host:0/\x12xقP\xadC6f\x83\xeb\xa7\xe0\xbd'2\x99\xab\x11\xbf\xc52\xcfy\xea\xc8\xf8\xa1\x81C\xf2\x10\xc39\x9cx": net/url: invalid control character in URL