these 3 derivations will be built:
  /nix/store/mmp22s1gw21k4sgygch39lrqq9ag93py-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/nvqv0dpii388nfh59z460kywdz4ff2i6-freebuff-0.2.6.drv
  /nix/store/3c0rlsxibycxyq9rrc7rabvphv7f0miy-check-freebuff.drv