  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ echo something > single.txt
   SUCCESS │ echo something > single.txt
     START │ cat single.txt single.txt > double.txt
   SUCCESS │ cat single.txt single.txt > double.txt
     START │ cat double.txt double.txt > quadruple.txt
   SUCCESS │ cat double.txt double.txt > quadruple.txt
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
