parse "gopher://null.host:0/¶U8\xaf\x1e@\x99u\xc4Y\x8e\x14\xe2$\xf0\xa8\x15\x82\x95\xba\x04\xa3Wl\\ӟ$w&\xa4&\xa4\x10": net/url: invalid control character in URL