these 2 derivations will be built:
  /nix/store/qj6y5ba4bnyqgdbj59xni9pva3qc2h3l-nix-grpc-store-0.2.3.drv
  /nix/store/is3lnmdz1plkrjjsmyh1iy1kl4w0p9bp-nix-grpc-store-exit-stress.drv