parse "gopher://\xd3\x00\xe4^$\xbd\f\x1f\xb1>˫\xa0\xf8\xed;*M`\xc7R\xeb |:]ae\x96c\xf5\xf6\xd3\xf0\xde{\xe2\x92t/": net/url: invalid control character in URL