  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ ./plan.py  # wd=sub/
      FAIL │ ./plan.py  # wd=sub/
────────────────────────────────── Step info ───────────────────────────────────
Command               ./plan.py
Working directory     sub/
Return code           126
──────────────────────────────── Standard error ────────────────────────────────
(stripped)
────────────────────────────────────────────────────────────────────────────────
   WARNING │ 1 step(s) failed, see error messages above
   WARNING │ Skipping cleanup due to incomplete build.
  WORKFLOW │ Dumped to .stepup/workflow.mpk.xz
     PHASE │ watch
  DIRECTOR │ Stopping workers.
  DIRECTOR │ See you!
