   STARTUP │ (Re)initialized boot script
  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ rr-cat-pdf doc1.pdf doc2.pdf cat.pdf
   SUCCESS │ rr-cat-pdf doc1.pdf doc2.pdf cat.pdf
  DIRECTOR │ Trying to delete 0 outdated output(s).
     PHASE │ watch
   DELETED │ cat.pdf
     PHASE │ run
     START │ rr-cat-pdf doc1.pdf doc2.pdf cat.pdf
   SUCCESS │ rr-cat-pdf doc1.pdf doc2.pdf cat.pdf
  DIRECTOR │ Trying to delete 0 outdated output(s).
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
