these 11 derivations will be built:
  /nix/store/7ha48jbvna0mv0nziii8lmqrg5aj27lz-unit-echo.service.drv
  /nix/store/5hkxfs6s71lpyknpxf84479x41q3nkhk-system-units.drv
  /nix/store/m02jr63bsg6x5p6qxxxdncbp3lfzsg00-etc.drv
  /nix/store/bwd6cas2riylqvwnz0shdg0z4gw891pz-activate.drv
  /nix/store/k8d308jc6yx26njik1lijixg68ra0p2m-nixos-system-machine-test.drv
  /nix/store/ipiglxbmym7j9bp9dd1wcdcksh61a3wq-closure-info.drv
  /nix/store/rwka9nn7rjqhl2mvfrwx62ww6nfmgw4z-run-nixos-vm.drv
  /nix/store/46jvb33y0ngqb1xdpa702hnh12dg69mj-nixos-vm.drv
  /nix/store/chxmc6b6xfygmjrdymmmdm00qs0250ic-driverConfiguration.json.drv
  /nix/store/5grjpbj14cynzsxyhgl1d8xisk01ib22-nixos-test-driver-systemd-escaping.drv
  /nix/store/bzqnr1lvds24hypxp88bjjavg1bm9fsh-vm-test-run-systemd-escaping.drv