these 5 derivations will be built:
  /nix/store/0dlzjg9nirvikp069mzd6ala1dmk440b-closure-info.drv
  /nix/store/fwsw2pdqlzddx3c9gg2fsy4jcp6gsmsp-run-nixos-vm.drv
  /nix/store/wfhi4r17bcz5hiypsfg4c74jdgabsscr-nixos-vm.drv
  /nix/store/j6vr6fqxymxyr1laf18xs7ijp81gyy5j-nixos-test-driver-site.drv
  /nix/store/slgz63ghb0rgfr86vki1wpzn509p4ilc-vm-test-run-site.drv