==> Creating clean working copy [build]...done
==> Making package: burpsuite 1.6-1 (Sat Oct 10 11:42:43 EDT 2015)
==> Retrieving sources...
  -> Downloading burpsuite.jar...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
100   169  100   169    0     0    665      0 --:--:-- --:--:-- --:--:--   667

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (22) The requested URL returned error: 404 Not Found
==> ERROR: Failure while downloading burpsuite.jar
    Aborting...
==> ERROR: Could not download sources.