1these 12 derivations will be built:2 /nix/store/yw7wn35imwg6h308mwn08wl9w8c7855c-init-old.drv3 /nix/store/nmxifk49ycmwqpjcp5lvxwb21vx6cgnp-unit-postgresql.service.drv4 /nix/store/hxs912nvx7pcc8d8rsmpvbsk2a6dk185-system-units.drv5 /nix/store/3hag2py6f9hy1bzm0r8y28mdak7iw99m-etc.drv6 /nix/store/z56vvl9daybjl733721zdb77ncamqkf6-activate.drv7 /nix/store/y0jkzkwb36b192ssak38bfylb8hpji4i-nixos-system-server-test.drv8 /nix/store/vxccdc3yxbk309dqr6kxpz28km8x4c36-closure-info.drv9 /nix/store/2vkfivvgm5x4nis87d37rfihpdi8l6y5-run-nixos-vm.drv10 /nix/store/d559rfymhwlkk1xfaynsr0gjqr1w0jsl-nixos-vm.drv11 /nix/store/gr5ymbf596yfcv6dlh225iw4s23s22xc-drive.drv12 /nix/store/h43m0isc4y3wvywjzl4bsv367my5v523-nixos-test-driver-pg-upgrade-start-guard.drv13 /nix/store/j7rwwcw95l1dw0wf0fijfmajj1vjicd0-vm-test-run-pg-upgrade-start-guard.drv