these 5 derivations will be built:
  /nix/store/nwk764mb4cz6qh9wzw7izya1iig2ypxb-clan-runtime.drv
  /nix/store/wpfpdj2h5415xmk9xxqya30bv37hy8zb-clan-cli-source.drv
  /nix/store/yq9zq83qz5rv3b6ks4yal6pdr727r1ms-clan-cli.drv
  /nix/store/8436lkhifcqkdy9bf70q9vhjsn8fwnfn-tofu.drv
  /nix/store/ilhwmnijlsmkdpncgrxhc91km26p0slp-cache-new.drv