these 3 derivations will be built:
  /nix/store/xf3plzs3h8ll2gl8hg7lkjm8cvc5i7d3-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/rwm6mhhmhmj6i4zjknp56qpkk5gh2qlx-freebuff-0.2.34.drv
  /nix/store/504qg7wzhy3ypnxd6sy0ndvcxy0888v6-check-freebuff.drv