1these 12 derivations will be built:2 /nix/store/x6108yrd3c7rch5mvblfwaz3ypgsksra-init-old.drv3 /nix/store/250jyy640a0z8adwgrw6bi382vp7sm7v-unit-postgresql.service.drv4 /nix/store/9pggp64gscszn7b3sdkwvqj7ci068bss-system-units.drv5 /nix/store/h8syhfc8ffrpqcllk0x6kswd3y38pzhm-etc.drv6 /nix/store/amfc8ygv3fv8zbbf5jcp8qs7d9ign69z-activate.drv7 /nix/store/dc3ygyfzk09rgiz58856z0m090q9fzg0-nixos-system-server-test.drv8 /nix/store/f83sbsa5pcfpv6jaqqinhvmxkzdwq9bn-closure-info.drv9 /nix/store/57bbyq2wgsib42311hlsvdiszdlhfmnv-run-nixos-vm.drv10 /nix/store/a7n46vy53gv9rnvmid0gfj3kgidariy0-nixos-vm.drv11 /nix/store/ab859s64rjryhwhagkw6kwzccawdknyg-drive.drv12 /nix/store/09gnnr0ydzf1yzcvvn8a2kqc5fw90p3y-nixos-test-driver-pg-upgrade-start-guard.drv13 /nix/store/2sb89ijrrzsiy5fnbqi2s4fsjc2cfm12-vm-test-run-pg-upgrade-start-guard.drv