1these 12 derivations will be built:2 /nix/store/zagxq52pd1jy684llv03agc6qh5sfr8h-init-old.drv3 /nix/store/q7a8yd6mlmaxyrhcsqwgxbiykqk026h8-unit-postgresql.service.drv4 /nix/store/8zn073r6yz1fzh9finvx2492fq9l1wi2-system-units.drv5 /nix/store/vpc0b9dfr9g77irfgzfx2w5lxabfdq70-etc.drv6 /nix/store/p9rknar27wc09k9hgkj6qz0nwnzhp01i-activate.drv7 /nix/store/h6hzig2c59glsn3mp4ah3s557p5ffxhz-nixos-system-server-test.drv8 /nix/store/nzflk2yn7mxacajwrl1xyrvy5ig16dss-closure-info.drv9 /nix/store/8r60nz9vz5v2q30fw5qrrd5897brfli6-run-nixos-vm.drv10 /nix/store/d4wx1n3fwhawsqd3c87823y81dag2vg4-nixos-vm.drv11 /nix/store/gnc2q5cyrl7byf6xg6phv46cjhbq1frv-drive.drv12 /nix/store/4b0zzpmdw358h798cpabi3ql4jz405hg-nixos-test-driver-pg-upgrade-start-guard.drv13 /nix/store/3l0lxv73d0s315863iap6pl1ir7xxg11-vm-test-run-pg-upgrade-start-guard.drv