these 4 derivations will be built:
  /nix/store/aygrzxhlkw98bl8s5qya462174a5x68w-closure-info.drv
  /nix/store/nk3lmqvm4rzd87x59ayhc85vch58r5m8-closure-info.drv
  /nix/store/2xq3zrplsbmhzdq6c5fhgy5g1hz99h5p-nixos-test-driver-ncps.drv
  /nix/store/lcd9p6acpa9zj7k6s6npxdjcj95a4vqc-container-test-run-ncps.drv