these 2 derivations will be built:
  /nix/store/z35hxsn1ql44kcsybiba173iz1v5rksx-rootfs-ubuntu-26_04.tar.drv
  /nix/store/6jkfhi63807g83i1y5k43aji96ysszgp-container-test-ubuntu-26-04-extra-init.drv