these 4 derivations will be built:
  /nix/store/0k2pmqwr5rfckmx1kl7wzn5kdkr34zjr-clan-runtime.drv
  /nix/store/xm4cqbf2jlb4pcxx2d6wy9n1pkj34wsx-clan-cli-source.drv
  /nix/store/drkxvnd6w0x0pjfaw1c2amr1bxx6m3vg-clan-cli.drv
  /nix/store/z5fns78qql2l3vz7cr83gv10x8w17mjs-nix-shell.drv