checking ff_4.5.2.tar.gz ...

Depends:
Package: ff
  Depends: R (>= 3.4.0), bit (>= 4.0.0), utils

Timings:
     user system elapsed
ff 81.506   6.46  91.909

Results:
Check status summary:
                  OK
  Source packages  1

Check results summary:
ff ... OK