these 8 derivations will be built:
  /nix/store/mc1ammlkrwz6nr6c1d1kl7djybslzsjp-source.drv
  /nix/store/kk20278rj55byd0kpcpgkbq8w6nlysz6-sbcl-autolith-0.41.2.drv
  /nix/store/qwqsyj65pqkk92m6scjh4gmqqrskz0vr-sbcl-with-packages.drv
  /nix/store/ryrplfz7j0yi3ikfc96f0s8fj7jkm0yb-autolith-sbcl-2.6.7-source.drv
  /nix/store/282acm349vk1rychcz0jbnw7jkybr824-autolith-image-validation-2.6.7.drv
  /nix/store/5s83x64zq4vkgzzi8v9qjrypczgx41jf-autolith-image-identity.drv
  /nix/store/s762rg1akgq368jzxa3yafnswfdf41ik-autolith-materialize-nix-images.drv
  /nix/store/5nz2g9ji48ym4azkqfqxkyd98p6bs6bf-autolith-0.41.2.drv