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/iic8z1i91qkbi8h8mci8nyzbxs28kl5r-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/qxqx4i4svrwm5r4rx3vhyx537p5348mc-run-vm-vm.drv
  /nix/store/rpvp48vwcy5blyf4g9llp3vzgc3n54sg-driver-configuration.json.drv
  /nix/store/6lfypd9f0a5s2ksn0jabxl9p67vaj9f1-vm-test-ubuntu_23_10.drv