these 2 derivations will be built:
  /nix/store/wqmm8fr4ikyp5bcmwprvdp5pa4qkb5sh-freebuff-darwin-arm64.tar.gz.drv
  /nix/store/ykxcj6bl9x1sjij4aj5awl46p0lvwjzf-freebuff-0.0.155.drv