this derivation will be built:
  /nix/store/1ynvfjnkh3qv6n3slvfnan0sp82jaq0k-updater-tests-check.drv
1ynvfjnkh3qv6n3slvfnan0sp82jaq0k-updater-tests-check.drv: mac02: not scheduled here: 1ynvfjnkh3qv6n3slvfnan0sp82jaq0k-updater-tests-check.drv, asking the scheduler again