these 2 derivations will be built:
  /nix/store/qxa2qnmcd6db67lf17ja61abxxb4zfwy-amp-linux-x64.drv
  /nix/store/p7hdw6h2gdkgbdvj1xapdk1561ri6vfs-amp-0.0.1787776913-gb1a751.drv