these 5 derivations will be built:
  /nix/store/0514qwc6j7xipxi783xszhsia289vyvm-clan-runtime.drv
  /nix/store/j5yab0wfjws6zm1nbrbd0z8p6y32q9zx-clan-cli-source.drv
  /nix/store/2diqy19fi6z3aivg5mjvvfkd6ncam57d-clan-cli.drv
  /nix/store/kk65b646yvn6qh1mgh1hfmsds4i39m5w-tofu.drv
  /nix/store/yzbkrw3dqk9w7gw7wcn037alch12i4lh-cache-new.drv