these 5 derivations will be built:
  /nix/store/px88fd1n54cgyajyzqxxzvw37v8k9am7-clan-runtime.drv
  /nix/store/3r0ax2yf11nn8wlcm1m1w7acslzg0bfq-clan-cli-source.drv
  /nix/store/m4m60lxvfhlfcq6rbqmbgp77rwalr8h3-clan-cli.drv
  /nix/store/am9pc62yri0bm1jwvphqh6dila7p1m8m-tofu.drv
  /nix/store/8gych6fpnz5abp159m6vbv4xbgjy1jcn-cache-new.drv