   STARTUP │ (Re)initialized boot script
  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ ./work.py plan --step-info=current_step_info.json
   SUCCESS │ ./work.py plan --step-info=current_step_info.json
     START │ ./work.py run -- -5.0 > stdout-5.0.txt 2> stderr-5.0.txt
   SUCCESS │ ./work.py run -- -5.0 > stdout-5.0.txt 2> stderr-5.0.txt
     START │ ./work.py run -- +7.0 > stdout+7.0.txt 2> stderr+7.0.txt
   SUCCESS │ ./work.py run -- +7.0 > stdout+7.0.txt 2> stderr+7.0.txt
  DIRECTOR │ Trying to delete 0 outdated output(s).
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
