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/5n2fwshzpsqjs10mndpfn2xrrsxm0zvv-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/qjhs0in660dl22wp1fjszkgkzhpg0zs9-run-vm-vm.drv
  /nix/store/2b7bckiqqwisply5xs1l88fra4j4q7hg-driver-configuration.json.drv
  /nix/store/39p6apg73j3cnxq4wv39f1z0py7dl4sv-vm-test-ubuntu_22_04.drv