these 4 derivations will be built:
  /nix/store/cc8inagmiq3x9q27j5hxpp0r08hdwhiv-clan-cli-source.drv
  /nix/store/l2df1b4s750jjyd5g55jzirysskaid08-clan-cli.drv
  /nix/store/3x6cppbnn9mnp62yfwv5rw9d476c4qpl-clan.drv
  /nix/store/wf41vnfmzldwln1v3yv05lpix09rcw9q-nixfiles.drv