parse "gopher://null.host:0/<<\xef\xf6\x89\x16\xcf\aW\xbb_\x10\x9e\xb7~\x92\xe3y~\xaf\xbb\xe2y\xe0\x93w\xc7s\xf3\xa0\x87\xc6\xf3\x9f\a>": net/url: invalid control character in URL