  DIRECTOR │ Listening on /tmp/stepup-########/director (StepUp 2.0.4)
   STARTUP │ (Re)initialized boot script
  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ ./step.py < src_foo.txt > dst_foo.txt
   SUCCESS │ ./step.py < src_foo.txt > dst_foo.txt
  DIRECTOR │ Trying to delete 0 outdated output(s).
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
