parse "gopher://null.host:0/Zv\xb2\xf4@\rmv\xf5\x97\xafIi$\x11I\x00\xfe~\x9d\xd7\xe6:jK(\x9bA\x16\xad\x85*y5\x8da\xccV\x928j\xa3\xf9N\xf8": net/url: invalid control character in URL