this derivation will be built:
  /nix/store/bi8bjhfv3vq03qvwvaz8a7yipsgswcv7-updater-tests-check.drv
bi8bjhfv3vq03qvwvaz8a7yipsgswcv7-updater-tests-check.drv: mac02: not scheduled here: bi8bjhfv3vq03qvwvaz8a7yipsgswcv7-updater-tests-check.drv, asking the scheduler again