parse "gopher://\xf1\xce\xff\x16\xe2r\xd1FpW\xeb\xdaW\xb9f\xbd\xe8IĜ:0/B\x94\x8e\xb8\x05\x8do0>\xd7\x12\xc6\xdc\x19\x96mi": net/url: invalid control character in URL