  DIRECTOR │ Listening on /tmp/stepup-########/director
  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ echo input.txt > sources.txt
   SUCCESS │ echo input.txt > sources.txt
     START │ ./step.py
RESCHEDULE │ ./step.py
──────────────── Rescheduling due to unavailable amended inputs ────────────────
input.txt
────────────────────────────────────────────────────────────────────────────────
     START │ echo You better read this. > input.txt
   SUCCESS │ echo You better read this. > input.txt
     START │ ./step.py
   SUCCESS │ ./step.py
─────────────────────────────── Standard output ────────────────────────────────
Contents of input.txt:
You better read this.
────────────────────────────────────────────────────────────────────────────────
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
