parse "gopher://null.host:0/_\xbdZ\x06\xa7\x03\xf0֨\x9e\x98\xc9\x16\x86\xcb\u007f\xaf\xfbY\x0e^\xdd\v\xd9\x01\xe6\xd6\xe5\xbaNag\xef\u007f{\xb4_\x13\xec\x88gu\xb2\xde\xea&\x1c\xfcXߞ": net/url: invalid control character in URL