these 4 derivations will be built:
  /nix/store/x0b24k2bzyq91z4wwk5rfkavq05zhr7r-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/xcxv8g3vizflj3rj9zsq9b9884ax985a-run-vm-vm.drv
  /nix/store/1558q5p5jq945v2ljrbjvln9q4b512qg-driver-configuration.json.drv
  /nix/store/arakw6qs5a1nrz86ixrpps1fqmknhfjm-vm-test-ubuntu_22_04.drv