these 3 derivations will be built:
  /nix/store/jqkcv2xdcqrc1xyw1yn3h4ix9b6niyv7-clan-cli-source.drv
  /nix/store/239nf0v3xfqsbd75alpcmfsc37ldj3wj-clan-cli.drv
  /nix/store/gyahnyzkxjsa37czkfm21vf928y1k9wq-nix-shell.drv