parse "gopher://null.host:0/2v\xecX\xbe\xdc7:\xa4\xb5\xacc\xe5\xcdY\x1b\x0f\xb5\xb7M;~\xf4\x19\fd\x8e\xab\xc2}\xe7\xb1d\xe2x*\xe0T\xbflD^36\x9b\x1f\x1f\x88\xa8\xf3J\x1e\xb23\xebS\x1d\xd9Ξ\xb5\xf7\x8d\x16\x83P\xef\x85\xd3\xfb\xcc\a\x9a\xa0\xa6kx\xe0": net/url: invalid control character in URL