these 2 derivations will be built:
  /nix/store/qb9a00r6sq66pcsxzrj3s9vyqhwga7zl-rootfs-ubuntu-24_04.drv
  /nix/store/jlrb8ci0l5dlc23yb8846jaxl9h3r7jy-container-test-ubuntu-24-04-example.drv