these 2 derivations will be built:
  /nix/store/a4l7lj8qhm6gfd512d63zq81kwn0payv-freebuff-linux-arm64.tar.gz.drv
  /nix/store/9zfknnj7gkzvrhqlsxy822akwkr6qpgq-freebuff-0.0.160.drv