these 2 derivations will be built:
  /nix/store/2hb49djipimcwqx3978dc5j898bsplij-nix-grpc-store-0.1.0.drv
  /nix/store/3sddf48vp3ka307xapn27619pq5kf24g-nix-grpc-store-exit-stress.drv