these 3 derivations will be built:
  /nix/store/6a6nlbla5fp2k2jg2hqcs7q7nv3ign6h-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/s1i75q87zh75lmblsc0zsc2v7s78v99b-freebuff-0.2.27.drv
  /nix/store/kn4qk8i1sfl7kvavbah1d9dpdcy64jb7-check-freebuff.drv