these 2 derivations will be built:
  /nix/store/hkm1az2x7rm9cs4v5m5ymridig5hsvqj-amp-linux-x64.drv
  /nix/store/is3dv8iwbk9rx4x9vmjr040zyrx8b8vg-amp-0.0.1786565549-g82d377.drv