parse "gopher://null.host:0/E\x1fM\xd3TÚ§\x84aM\x97s\x8b\xf3\xc5\v\xd5a\x8e\xe5Rw\xb7\x10\xad\xf5CD\x04\xe7n\xeb\x99": net/url: invalid control character in URL