these 3 derivations will be built:
  /nix/store/crk3z0q6x501k3kazmk3zqp8vgc7lfnk-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/hffds7fz68gx2mar5wrhkyfczwzv1a22-freebuff-0.0.201.drv
  /nix/store/bhpx8xs8dchkhmlj27sqxir8z9j2rfwm-check-freebuff.drv