parse "gopher://null.host:0/\u008a\xe6\x12\xbc-\xb4k\xf8\x01\xbe\xe4p\x1c\xa4\xe1\xb5'S\xf4\xf0\x9d,Aɳ5\xff\xbb\x06\x05\x86": net/url: invalid control character in URL