parse "gopher://7\xb4\x0649\x90\x013)\xb1\x00\xaa\xd0'<\u007f4!fI\x88\x1e\xf9\x03$h8\x99 =\x03B!j\u007f\xd1\xfb\xa70\xc7/": net/url: invalid control character in URL