these 12 derivations will be built:
  /nix/store/c2b4sqy7ll9d5ixxxbj9n5gdx89mzp26-unit-niks3.service.drv
  /nix/store/wa5isdhi9vhrawlsbmsmldbc13gnkvmf-system-units.drv
  /nix/store/lfhmhpzm03mgyycrvjggifxaqilwspcy-etc.drv
  /nix/store/lm2r3sb51w1nnjf254jh7szmqkl83m1j-activate.drv
  /nix/store/70r3gflk14b2ba7vjhhqmncfs3dr130i-nixos-system-server-test.drv
  /nix/store/j25llci3vbl6mi2mkaysdwdhpz62qpnm-closure-info.drv
  /nix/store/pqy3ji7b4zp8rcly2nbp0375zjzwz979-run-nixos-vm.drv
  /nix/store/k8nyzdbfn28wqpia0y4hb35nzw4snxa7-nixos-vm.drv
  /nix/store/rkarhf00vrydrcsnd8csfxal7261qzj6-test-script.drv
  /nix/store/bcl5ig7gcwi4xw4h58kp41mkc5sy5f18-driverConfiguration.json.drv
  /nix/store/6hhms5sahgq38mbmdg579zij9bss9yv5-nixos-test-driver-nixos-test-external-signer.drv
  /nix/store/b9ib9ipwkgz77lv6h8k9abv1rsj8lr08-vm-test-run-nixos-test-external-signer.drv