these 3 derivations will be built:
  /nix/store/1dsdmvqi450cawv2m6ypsma4zfvm5ir6-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/iva8wk68axw7bxqn08i42zjmpcsrva0y-freebuff-0.2.16.drv
  /nix/store/f6xwmsg8ybyhvc12jk0yvslr2qnzrvlk-check-freebuff.drv