1these 4 derivations will be built:2 /nix/store/px7xxp5ymn6hnbrvwphalacmr2rriviw-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv3 /nix/store/cnipxd60i1mp87wfy73n1g7x6kgxf3g4-run-vm-vm.drv4 /nix/store/0ywnr4ynagx78wq95av6gla5dhdgz5jg-driver-configuration.json.drv5 /nix/store/j7x6fjv3mv0x7h7ppygp4paszlwyb3iw-test-driver.drv