parse "gopher://null.host:0/5\xcaf\\i\xa5\xb2jL\xa9\xf2\xa1-ΛΏ\xad'\xbf\xa1\x02Q\x105QO\x97\xf1\xdc,\xfa\xb8\x00ZR\xfb\xc7]\x96\xb3\xfcI": net/url: invalid control character in URL