parse "gopher://null.host:0/é\x8b\x88,\x17\x1f\x1ca\x10\x88\xb0\xa1\xe6\xaf$\x96\xf8\xebY\x9a\x05\xa7[\f\x1f.\xa8\xa2(]K\xe4K<\x90H\xd1\xcco\xe7CuE\x86\xc8\xff": net/url: invalid control character in URL