these 2 derivations will be built:
  /nix/store/k7qwsivcc866rg5n8l36zcjpygjdfr0y-rootfs-ubuntu-26_04.tar.drv
  /nix/store/d0hwa2nr71vvjyx5r73b88vi54k0bhg5-container-test-ubuntu-26-04-auto-upgrade.drv