parse "gopher://E\x15\x9f\x93\x92\xc2\xc6cgPl\b\x98UE:\xc3\xf5&\x96\x84\x81B\x1d\xe4\xc9\xf1\xf58l\x1c\x9a\x9e\x92/": net/url: invalid control character in URL