parse "gopher://null.host:0/Á\xd6\x11\x0e\xdcRL\x9ax\xe1\x11W\x88\xfb\x91\xe6'\xa6`\x1d>\xd2bT6\x83R\xd4;\xa9\xad\xac\x830]@X0\xb5B\x831\xdc\x01\xc82\xe3\b@4": net/url: invalid control character in URL