these 4 derivations will be built:
  /nix/store/29r0mvvjn6xwr89z4ihfrqi42m6pn45x-clan-cli-source.drv
  /nix/store/03aws24dyp5ra50hx2i4019rc6fwp23q-clan-cli.drv
  /nix/store/gajr4k61kqpdmc6cizl65jr4qqzwawva-tofu.drv
  /nix/store/d4cafqfja6pafgib0r0d8hzi6xw84wzi-cache-new.drv