parse "gopher://null.host:0/\x0f\xfa\xd8R\x10\f;!2r\xc9\x05\x1fl\x03\xea7h\xf0\xf7.\xefv7\x0e\x8eN\xdfF\xf4&\xe7s\xe4\\\x85\xc4_Ǥ\x95\x01?t\x11L\x9dU\x05\xa3Ɣ\xc0\x8a\x82\x130&u-\xeav\x13\xf4\xfa\xd9.\xfe50.\xbd\x02\xe2\fe\x10\x1d3\x17\x92\x12\xaf\xe1XP": net/url: invalid control character in URL