these 2 derivations will be built:
  /nix/store/vn7jsfkbqw44av8f5mki0smpibgf60rs-amp-darwin-arm64.drv
  /nix/store/zdpxmy3yywxhvfamlhzcmzk5ad5jqsd0-amp-0.0.1788249635-gcc0420.drv