these 4 derivations will be built:
  /nix/store/pc68hxr86x5jprz2lk42dzpj08v5xhzh-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/6apy0jyvn7wk09ghs1agba4qc71hvw8k-run-vm-vm.drv
  /nix/store/bx0wyw78kp1b53p5gkphr2yvjzmchaw2-driver-configuration.json.drv
  /nix/store/sis3j55zvp4q0y750glbw2f2h15sjb30-vm-test-ubuntu_23_04.drv