these 12 derivations will be built:
  /nix/store/a7kikrcpdickb3nf9cwfi46hjn9wpz2m-nspawn-units.drv
  /nix/store/7siq7vjc5czqk2cnz33xadfiwpfrq329-etc.drv
  /nix/store/h23y6fwqqvaa5m8k8zr2mjs59dgm90vy-initrd-linux-6.18.54.drv
  /nix/store/k76fws0dvbxybdfd0bb7aj6f9mn69622-boot.json.drv
  /nix/store/vxc05lsg19xj25qh4c0dhkn6xzkxhvy8-activate.drv
  /nix/store/88zcvdc5jffakxxc1nyfa1v4n3dx8jkp-nixos-system-node-test.drv
  /nix/store/a98flbiy2zfiz7rx6489pcccgnkgykr3-closure-info.drv
  /nix/store/blh63ygflkgpqkjzsmd56wrb7n6bfl9b-run-nixos-vm.drv
  /nix/store/wr2kx6wasrjl6vb6wcywy4cfmizcqp5z-nixos-vm.drv
  /nix/store/hpsph89qjzc40jycqycw7rim7p727bhj-driverConfiguration.json.drv
  /nix/store/bjrmq9za3316jfxxmnqc0n3q9vbi9g81-nixos-test-driver-systemd-nspawn-configfile.drv
  /nix/store/2bbj3fp717ayw564slxcqdxayrklk5jg-vm-test-run-systemd-nspawn-configfile.drv