parse "gopher://null.host:0/q\xae\xfa\"\xc4m4\x1a\xbb;;\xf7\xaf\x7fP\xc75\x9b\xb3\xed(\xddR\xaauf5\x8e\xfb\xf8\x989\xff\xec\f\xfa\xb5\xdfXs\xc3U\x81\xaf\xeb\x1e\xbby": net/url: invalid control character in URL