these 4 derivations will be built:
  /nix/store/ckyapv9ifxvwhks23sfvbdn1n8j0vkzf-clan-cli-source.drv
  /nix/store/wb9d4ln47p3d7pzx865c35mbzr18wrhx-clan-cli.drv
  /nix/store/slq7qj1ll3y6pv5zkwgg5gixkv339qwi-tofu.drv
  /nix/store/bvxp6j0jnhp7ci8lc9x281dr8qas4a5a-cache-new.drv