these 2 derivations will be built:
  /nix/store/aaw28z4y8k9n3nqb0dax4y46yb12g8jz-iets-0.1.0.drv
  /nix/store/7kj108jzd4z3h681y5r02ybpcq1phgq1-iets-linttest.drv