these 3 derivations will be built:
  /nix/store/i5ic2h47k9pb5m0r24mg4c0qh15f8ahh-clan-cli-source.drv
  /nix/store/9xqz4v0q8sw3gd35pryvmb4dxv1s2166-clan-cli.drv
  /nix/store/8m4b4zs9qajgq3j1kf6lxpgf90kp6fw7-nix-shell.drv