parse "gopher://null.host:0/sO\x10\xfb\xdcқ\xa3\x1d\xdb\x1bs҂\xcc\x0f8\x85B\x02\x9aWy\x87\"\x86\xa1\xd4Y\x1fp\x96u\xe7f": net/url: invalid control character in URL