these 5 derivations will be built:
  /nix/store/vckn6nwrwxj93hf7yp83pi81xhc3024d-closure-info.drv
  /nix/store/5mickpi7fbgkfhjxf31jp3572gg00j6w-run-nixos-vm.drv
  /nix/store/jhacr8km1lr0d5k17adhz5947ngli6kb-nixos-vm.drv
  /nix/store/7smxzi216g7r3im16rf34lmxsb4pqw65-nixos-test-driver-site.drv
  /nix/store/1rg4xhnn4r6lp19xcahn3iapy2j0slhq-vm-test-run-site.drv