parse "gopher://\xb97\xa2\xe7&d\xc7<\x97\xae\xd3\xf5\xb7H\x92%\xaf\x03\x1f\x9b\xbeN%\x85\xa4x\x0e:\xb8OP\xa1\xd0$\x12+\x9a.\xe9R\x0e\xd4P\xdcfy\xb4(\x1c7\xcb|\x19@\xc0\x00N\x93\x95!\x03\v\xfa\x11\x92f`/": net/url: invalid control character in URL