these 3 derivations will be built:
  /nix/store/68wyy2rfccr5spf23ar75kj4lspm7g26-container-test-driver-0.0.1.drv
  /nix/store/irfprhwy6zn21icd6siznmp4h2nf8dai-rootfs-debian-13.tar.drv
  /nix/store/dig2n6wyb3l0zv442ni4xvlxar5xdfw1-container-test-debian-13-existing-group-members.drv