  DIRECTOR │ Launched worker 0
     PHASE │ run
     START │ ./plan.py
   SUCCESS │ ./plan.py
     START │ grep variable README.md ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > README-stdout.txt 2> README-stderr.txt
      FAIL │ grep variable README.md ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > README-stdout.txt 2> README-stderr.txt
────────────────────────────────── Step info ───────────────────────────────────
Command               grep variable README.md ${ENV_VAR_TEST_STEPUP_PREFIX}.txt > README-stdout.txt 2> README-stderr.txt
Return code           2
────────────────────────────────────────────────────────────────────────────────
   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!
