   STARTUP │ (Re)initialized boot script
  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ cp -aT static/sub/foo.txt copy.txt
   SUCCESS │ cp -aT static/sub/foo.txt copy.txt
  DIRECTOR │ Trying to delete 0 outdated output(s).
     PHASE │ watch
   UPDATED │ plan.py
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
  DIRECTOR │ Trying to delete 1 outdated output(s).
     CLEAN │ copy.txt
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
