these 2 derivations will be built:
  /nix/store/l209kdha1xhkd1cb6994lbpvbz8pilj8-container-test-driver-0.0.1.drv
  /nix/store/4svijr1abhksnsxsrmfi5m3i6f9ydw55-container-test-debian-13-environment-variables.drv