these 4 derivations will be built: /nix/store/g7118iappp9rh7myd7j56m8pmw9lgydr-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv /nix/store/73dia5saxjjk9hah5d57m7xckibmpl3i-run-vm-vm.drv /nix/store/x50p73r5cn27r71bp240qbg8vxxj022m-driver-configuration.json.drv /nix/store/rg047kywxsnh982d9qqh722falw7n420-vm-test-ubuntu_26_04.drv