these 2 derivations will be built:
  /nix/store/9gvh4wmq89npghsz3m7yc7gj1nbdxwb2-amp-darwin-arm64.drv
  /nix/store/j2yl9ykbf390q8jykr5dz5rsnm49dahn-amp-0.0.1787500903-g384b39.drv