these 4 derivations will be built:
  /nix/store/3qwkhp0z39skmhiyn63x1wb7sd2lm0vw-closure-info.drv
  /nix/store/wjcza24k4z3gnjvkgczg5qbicf30p9pl-clan-cli-source.drv
  /nix/store/kl56xjr2qdh0sik16hx2yn9sgavxxzqy-clan-cli.drv
  /nix/store/h9wr4baijvsidnkmcs4b82311vanffws-check-vars.drv