1these 13 derivations will be built:2 /nix/store/40449kb8fv6ab94qvzmj1w2gxwhyhn77-unit-fast-nix-gc.service.drv3 /nix/store/53bdg43vlqm8d4yd7jqzzjvf77xx9qxl-unit-fast-nix-optimise.service.drv4 /nix/store/3nbn55w14xkqx3i38gp2say4hg65v7xy-system-units.drv5 /nix/store/rv9s18vpdvazjb9cd39dnn4s21dyx9w4-etc.drv6 /nix/store/150347vjsha92r87fgn8h3j7zc035dl9-activate.drv7 /nix/store/vw75m4qyj6b3krrf7ircys7xxd5caipz-nixos-system-machine-test.drv8 /nix/store/0ym12x9wl3sr0rimvi5m2cw363xrlj26-closure-info.drv9 /nix/store/qdf1cxh8hjb0znpapwm54skl71i04b5k-closure-info.drv10 /nix/store/zsdgslad1yb2ninsv177ph2x7j5pnf40-run-nixos-vm.drv11 /nix/store/b06z0r602cb23nnhm3hzip8p1jvz463p-nixos-vm.drv12 /nix/store/yada7yj2icylvaka9gx2v2k3x7sq73mz-driverConfiguration.json.drv13 /nix/store/3wri9n1ap2ll19837mxp1nl8cnfixp74-nixos-test-driver-fast-nix-gc.drv14 /nix/store/ld52sc3ivwwkjwwg2n8zxy5zfyaldxa6-vm-test-run-fast-nix-gc.drv