parse "gopher://null.host:0/EK86\xb8\x05.\x1fU\xf9\xef!\x1c^Ot\xca\x1e\xc1M.0\xe3\x02\xb1\x84$\xae\xfc\xfb\xdaB:\xab\xf2\x11\x88\x7fS": net/url: invalid control character in URL