these 2 derivations will be built:
  /nix/store/13abx4kvxb3dww12h1jc5r2x5256l74v-amp-0.0.1791691375-g3bdda1.drv
  /nix/store/mh7vhshil13pn68f2n3gsf8qajbj64lr-check-amp.drv