parse "gopher://null.host:0/ß\xa7;\xedu-\x06\xf0!\xe5\xc3\xd6\xe9h\x05^\xa1=.`)\x18\xbfm\x9fvYR\xaf\x1d\x19\x18{>8\xff\xc7\x05\x0e \xfcf|\x1e\xd0&\x91\xc4\xfcNu\xe4\xf6\x9e\xc3y\xf9\xedՖ\x02\xe7\xf6~\a\xf4;\x80\xbb\x1b": net/url: invalid control character in URL