these 2 derivations will be built:
  /nix/store/1qvygwfqlmnqh7xlls3qdy70i4yc9nbh-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/jwbffb56p2avy00gssxdas0fw3pgfwl3-freebuff-0.0.177.drv