these 4 derivations will be built:
  /nix/store/ij5wqvc81h73plq1j26ax6zm48dazz94-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/cwfdmj2i2h65dfaqap7vd970ry42pnmx-run-vm-vm.drv
  /nix/store/yi0plhwns9h6ff7x59k0lbff17m4l6hc-driver-configuration.json.drv
  /nix/store/zpa0fqsiazg659w4pzafcl0zvxp8l7g0-test-driver.drv