these 3 derivations will be built:
  /nix/store/wb9zjs52m3figlww5zk1qpbcs8nnfhl4-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/l83d34516i5hfmzr8ba3rhijl8gq001y-freebuff-0.2.13.drv
  /nix/store/gn44k7bjp095sg3rkp4caslh2q9bnh3v-check-freebuff.drv