parse "gopher://null.host:0/2\xc3\b\x91\xd7\x05]/)$]d\x05\xa8.\xe9A\xd0XFM趞O\u05302g\v\u007f\xebb;\xdf\xcc>\x81\x14l\x16\xa9\xa9E\x11I": net/url: invalid control character in URL