these 6 derivations will be built:
  /nix/store/31nmri580nks4jdjak2w46a8wmw6gp1c-libguestfs-1.56.2.drv
  /nix/store/hc128s5gdfl0ik7xi8drjsmmk8w3vn79-guestfs-tools-1.52.3.drv
  /nix/store/jxzdsacdhgjaiphg6q7cjk881arg9x7d-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/nsi2zrdi17n91r678nsj5z43zwnzxwjy-run-vm-vm.drv
  /nix/store/sqc50m3l89hs9c8frqvrddpn5d3ns0hs-driver-configuration.json.drv
  /nix/store/na2grdzah1kdfpzhwgz12z3b7a6mw0y7-vm-test-ubuntu_23_04.drv