these 12 derivations will be built:
  /nix/store/mn2dkqj9hrhixffirmpp2y6cqgbk96hz-init-old.drv
  /nix/store/f1lcsm38v08l8djp2rnnj2xn2pdl0c9x-unit-postgresql.service.drv
  /nix/store/xrvgvq1l44vk5p2lhcbdkiaij93di67g-system-units.drv
  /nix/store/n05zq5mc01dmk6acindw5q2x3kn447ld-etc.drv
  /nix/store/hlz8zzvy92gh828vvhsr645d09zy3zay-activate.drv
  /nix/store/4a7zcja5wqc8kaghlly1siqwx3s0nsdw-nixos-system-server-test.drv
  /nix/store/c2mwrhsir0xkl0srxk6qj6yci8vq0sc9-closure-info.drv
  /nix/store/fh4a7kpfj4jbzmm0ycaxl1hb2wfz0071-run-nixos-vm.drv
  /nix/store/sbpnrgbni6knahrr8nnvsmnx2vv8w95y-nixos-vm.drv
  /nix/store/xhnhisirzbc5bgxzsb8r5p9ji39p0fdn-drive.drv
  /nix/store/nbng0fh0hdiy1zsa4dnfwcyhk50dakq0-nixos-test-driver-pg-upgrade-start-guard.drv
  /nix/store/4594z1ndwann2qgj4b239wiqbsgdn8cl-vm-test-run-pg-upgrade-start-guard.drv