these 2 derivations will be built:
  /nix/store/9fk91yvjl0dr23lwykiwfkblbz1zqrw1-rootfs-ubuntu-26_04.drv
  /nix/store/lbnzqdk1mq21z1i5manvyphpb73rcx10-container-test-ubuntu-26-04-system-checks.drv