1these 12 derivations will be built:2 /nix/store/wnfls52v5xlf4dhffibadjvjx4z4sqpq-init-old.drv3 /nix/store/f2m79jfwpbfigsgrywp753cg5c2nb3sb-unit-postgresql.service.drv4 /nix/store/xkl66mky2q2cc4id9d159bpdqxhdwvih-system-units.drv5 /nix/store/4vywypsijm6lqy92py4dzrdjyb8b4dm5-etc.drv6 /nix/store/3bsc1db5g8l5inpswxqvdvcdc5z1l6c3-activate.drv7 /nix/store/ynlxdy2wm9fdw6aqh8izpniv156b9lfm-nixos-system-server-test.drv8 /nix/store/5ql2pz83i89j6iic87ykw7cbwcch2mn7-closure-info.drv9 /nix/store/1prdi3zdcigdv90pyswck1h8pw25zryg-run-nixos-vm.drv10 /nix/store/1rjn0k15qm3pkx0054azhx0a4bb1nhvp-nixos-vm.drv11 /nix/store/fkyw4l02nzsk3k2hjlzchpwdb3ayfirv-drive.drv12 /nix/store/bzk8njhfqfkrd5pa6ag0is0v2m6xvlq0-nixos-test-driver-pg-upgrade-start-guard.drv13 /nix/store/g3vywg0xnm82mnlshnnhljy0bd55ws4l-vm-test-run-pg-upgrade-start-guard.drv