these 3 derivations will be built:
  /nix/store/p87h5gsvc7waicnclsmwg39gri07a473-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/fw8z3w6b8q906a0wjwz3ws29xlas6sdp-freebuff-0.2.12.drv
  /nix/store/040z72fqhw7s02hlfkgnfhbi9bk4drp5-check-freebuff.drv