these 2 derivations will be built:
  /nix/store/yfry41if8kdprfiyfm8fmby59yh9f2b0-rootfs-ubuntu-26_04.tar.drv
  /nix/store/rvwyspm2izj91jqc0vplg7dfnx3v24wv-container-test-ubuntu-26-04-environment-variables.drv