these 3 derivations will be built:
  /nix/store/psmmnwlpnlc9h04f6x03zxj9gqncx9hf-amp-linux-x64.drv
  /nix/store/hr63808kzx3552byhab7fwv9cq4s08aa-amp-0.0.1790798464-g1c0876.drv
  /nix/store/c4prsmbkz4j00d5q41kkb6fj10cagbai-check-amp.drv