these 2 derivations will be built:
  /nix/store/pm6mdgyj9glvg7d8yvzni9vv7swv31mn-amp-darwin-arm64.drv
  /nix/store/08pvn8p6gnx34q9r5vv4l73jp8fsdwjx-amp-0.0.1786724030-g71ab04.drv