parse "gopher://null.host:0/dU.A\b\x15\x10\xae\xd3\x1c0s-\x1ah\xcfq0\xd3\x11L-y\xc4re\x958\x001\xb7\x9a^\xcb\xf6\xbc\xbe\u007f\xbe\xad\x89\x16tG\xcc": net/url: invalid control character in URL