these 5 derivations will be built:
  /nix/store/z0y1l9hbialcbksnqjzq8z5qz4npa8vk-clan-runtime.drv
  /nix/store/vsnb1v1swq521d9qi5vc2q6krnwg39wq-clan-cli-source.drv
  /nix/store/4mpwh4zk13mnhh1rwl6cpv5ib63f763v-clan-cli.drv
  /nix/store/wxs5qa7qwyb5x8c27c6hfp6vxrqlvjgq-tofu.drv
  /nix/store/8w309ylx3dg0x755j14r3pkzgl0rknfy-cache-new.drv