these 2 derivations will be built:
  /nix/store/0m41xfns3lkvrf8czmffbcm2rl6ihvzq-rootfs-ubuntu-22_04.tar.drv
  /nix/store/ipsv6wrz2jf858ivpyv2ggl8gfz8dl65-container-test-ubuntu-22-04-environment-variables.drv