parse "gopher://\rLW\xa4\f\x8c\x18K\xf3\x12\xb9t\x1c4\xf8\x97\xb0\xc0\x9ba\x81\x01\x90\xa0\x9baA\x01\xd0[7\x91aA\x18\xd8-<:0/\x05\f": net/url: invalid control character in URL