  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ mutool merge -o cat.pdf doc1.pdf doc2.pdf
   SUCCESS │ mutool merge -o cat.pdf doc1.pdf doc2.pdf
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
   DELETED │ cat.pdf
     PHASE │ run
     START │ mutool merge -o cat.pdf doc1.pdf doc2.pdf
   SUCCESS │ mutool merge -o cat.pdf doc1.pdf doc2.pdf
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
