these 12 derivations will be built:
  /nix/store/fdd52f82474cd06mq3w2zb3352mvyz9g-drive.drv
  /nix/store/1rfl7ngdjccck02v93wnq5cgkcl3xfaj-init-old.drv
  /nix/store/5a9hwy2jg0spsmfns9slpzlsznkhs7sd-unit-postgresql.service.drv
  /nix/store/zl0rvjid2nqcw0qq9y8fs3yia2js4jc2-system-units.drv
  /nix/store/bb7g5alcrpd7gbkr74j5j4r4nlnylqgl-etc.drv
  /nix/store/ml3h49aqig1x517p4rccam4q3yqwd24s-activate.drv
  /nix/store/kcx9w3za9f3qqa0as4xcpp9s0a6zrma8-nixos-system-server-test.drv
  /nix/store/mlb88g8xxgl9ypfbjanzzbn34ni0mpx3-closure-info.drv
  /nix/store/a9f568bppamrkv8l06xvn6plr0kl9s21-run-nixos-vm.drv
  /nix/store/rcfbb6i03f89997ggn9iccph19n671xp-nixos-vm.drv
  /nix/store/4smn5zh1rdjc9h7dj0hc6kb1n0w2l82b-nixos-test-driver-pg-upgrade-start-guard.drv
  /nix/store/0rvvkajn9drf6rhcsb0psk7fg4bc4azs-vm-test-run-pg-upgrade-start-guard.drv