these 2 derivations will be built:
  /nix/store/fdnq89wri2wqc8gjn11z72g8lwxxc58s-container-test-driver-0.0.1.drv
  /nix/store/bfz8vk65rxz6az6i445y9fniizsxgl17-container-test-debian-13-empty-config.drv