these 2 derivations will be built:
  /nix/store/k7qwsivcc866rg5n8l36zcjpygjdfr0y-rootfs-ubuntu-26_04.tar.drv
  /nix/store/81di332glxbxbwmvanxzjrcmddlg6c14-container-test-ubuntu-26-04-sops-generate-age-key.drv