these 3 derivations will be built:
  /nix/store/jcwq56qad5j7y8jjapw3g8h64w9ddqfg-clan-cli-source.drv
  /nix/store/pz75dc5fxbb04wiy5rnhkjcp7y75k3sq-clan-cli.drv
  /nix/store/pngwa9izg3p5kxwgjfnc1nyr5zspslr0-nix-shell.drv