these 2 derivations will be built:
  /nix/store/blxgc2dqdvp7wj0a2s9g6p404nsgh0m0-rootfs-ubuntu-26_04.drv
  /nix/store/wcilwfdcva76lyhylqqym248h81frldi-container-test-ubuntu-26-04-auto-upgrade.drv