these 2 derivations will be built:
  /nix/store/l209kdha1xhkd1cb6994lbpvbz8pilj8-container-test-driver-0.0.1.drv
  /nix/store/jr3gs5jq990sf2yw7rn5dynsiiqp2jkc-container-test-debian-13-masked-units.drv