these 10 derivations will be built:
  /nix/store/l6qgpgnl7rzpx81igbvi253414dkblz0-system-units.drv
  /nix/store/flrqzsfqgli4pp6f3k2g3x0fvibldpvs-etc.drv
  /nix/store/id2sg00d7g2qmsxh2az5akl7clfj197w-activate.drv
  /nix/store/302zkwjn4gpkvdgv8wfp5klj535gsjv5-nixos-system-machine-test.drv
  /nix/store/aj1ijrrc0mr28ccrcika04mknpca9cly-closure-info.drv
  /nix/store/fy70xvzj3hjwi0il6kpv9j2da5b38whl-run-nixos-vm.drv
  /nix/store/hnz2snxb0xdb8mvgbbiknmg85g8zcgjy-nixos-vm.drv
  /nix/store/dg4x19kibyl9pjag1dhh29rj869hcns1-driverConfiguration.json.drv
  /nix/store/1ylg9d5w6rlmxcivb7q57fw41zafk3ir-nixos-test-driver-systemd.drv
  /nix/store/3zm7bldha9xl36r6g6bjncbjag7qqqz0-vm-test-run-systemd.drv