these 3 derivations will be built:
  /nix/store/z2vh32klwagg9pl6brp9m9kf7vrqsb4y-clan-cli-source.drv
  /nix/store/z7nq62b3jkhqbjbcd6xqlzw185h5f56v-clan-cli.drv
  /nix/store/dxkvh0gbr2hbgmrjf29zqk2ajxs7l56w-check-devshell-not-depends-on-clan-cli.drv