parse "gopher://null.host:0/~\xcf/\xf1\x12\xcf\x0f\x93\xbcu\x1e\v\xea\x95r\xcb\xc1\"\x17\xce\x01\x95\xcbmYx\xfa肈\xd4My\x1b\xc4\xd0-\xa0\x1f\x9eM\xac=[\xb2y\xcf\\\u0092\x84Kf*\xb0\xf1\x97*": net/url: invalid control character in URL