parse "gopher://k\xfe\x86\x05\x9e\x9e92C\xb7\a\xa9p\x89Z\xb6F\xb9\xc9}y\xeb|\xf1\xb9\xd5\xc5R\xf1\xcb\xec\x17=g/": net/url: invalid control character in URL