these 6 derivations will be built:
  /nix/store/6658z4lsjh1vi3ldai0z7dlvpbrwzw5q-libguestfs-1.56.2.drv
  /nix/store/kp543zls1k4jwjya1f5q4pn954z7pc85-guestfs-tools-1.52.3.drv
  /nix/store/q5smhp35dywwfmcm40ir2xzaqjrdwkgp-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/9jcrp4g7yjr108nncjr5874sbgy4i571-run-vm-vm.drv
  /nix/store/9s0zlry480x893gbsfx3y58i1pr9sbs5-driver-configuration.json.drv
  /nix/store/7q1xy4mfx4i69gf4n88lgmnigcrivi4i-vm-test-ubuntu_23_04.drv