parse "gopher://null.host:0/ã\xacZ\xd2NG{\xc8r$K\xa8\xd8\xee\x98xE(y\xa0U\xa3\x91c\xc1\x15\x1a$\xed\xfe\xa0[\xe6\x03\xa9\xb5M\xda\x1fSj\x9e\x94\x7fN": net/url: invalid control character in URL