these 4 derivations will be built:
  /nix/store/b5arabznm1j625ai9qv8q02i3hva7dp9-clan-runtime.drv
  /nix/store/khll13wg3x2pnbk9w03g6jr5a8fp11p6-clan-cli-source.drv
  /nix/store/lnn01x7bvf5hlx3ahw8j7c74pvaidx7n-clan-cli.drv
  /nix/store/fj5mqpzj542y5i2cf3fn2yra5fqax6qa-nix-shell.drv