  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
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
   UPDATED │ plan.py
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     CLEAN │ copy.txt
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
