=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Fetching firefox-53.0.source.tar.xz
=> Total size: 213676692 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file firefox-53.0.source.tar.xz
=> Checksum SHA1 OK for firefox-53.0.source.tar.xz
=> Checksum RMD160 OK for firefox-53.0.source.tar.xz
=> Checksum SHA512 OK for firefox-53.0.source.tar.xz
  % 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  203M    0     0    0 1568k      0  18.9M  0:00:10 --:--:--  0:00:10 19.6M
 22  203M    0     0   22 45.7M      0  42.3M  0:00:04  0:00:01  0:00:03 42.4M
 43  203M    0     0   43 89.5M      0  43.0M  0:00:04  0:00:02  0:00:02 43.0M
 64  203M    0     0   64  130M      0  42.4M  0:00:04  0:00:03  0:00:01 42.4M
 86  203M    0     0   86  175M      0  42.9M  0:00:04  0:00:04 --:--:-- 43.0M
100  203M    0     0  100  203M      0  43.1M  0:00:04  0:00:04 --:--:-- 43.5M
=> Checksum SHA1 OK for firefox-53.0.source.tar.xz
=> Checksum RMD160 OK for firefox-53.0.source.tar.xz
=> Checksum SHA512 OK for firefox-53.0.source.tar.xz