parse "gopher://null.host:0/Ð\x80;1\x1e\x0fNp\x06@\xa1\xb0\x94.\xf9\xbd\x88O1E\xb7\xd5\xde\xd7\xd3a\x85\xf6\xe1\xc5\xc5t": net/url: invalid control character in URL