these 2 derivations will be built:
  /nix/store/x776r7364bp05xyjjpj9mdzbl1rsfmgn-rootfs-ubuntu-22_04.tar.drv
  /nix/store/wz8ycayb42l66vz78gnkcgbd7bj8r5my-container-test-ubuntu-22-04-existing-group-members.drv