Getting http://ftp.mozilla.org/pub/mozilla.org/calendar/lightning/releases/2.6.4/source/lighting-2.6.4.source.tar.bz2 to ./lighting-2.6.4.source.tar.bz2
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 404 Not Found