these 2 derivations will be built:
  /nix/store/4hbh341blad59wc3d357w0p6fkfl7gxj-amp-linux-x64.drv
  /nix/store/wf9ra0dw3a9gb20pyfg45j7qvkc7zcn2-amp-0.0.1786378557-g73e9b1.drv