parse "gopher://null.host:0/z\xc3⛙\xb0)\xf8\xc0߾\xb7\xe8\xd5\xce\x16\"\x86\xcab\xf9m\xb6\x99C\xb7Cp\x91\xd3\xfe\xea\xe7\x88": net/url: invalid control character in URL