these 2 derivations will be built:
  /nix/store/ra6vd1pmy4c8g31s9z793n6dg9ggrzf7-nix-grpc-store-0.2.3.drv
  /nix/store/giyqhs6biw3g8qc9672n90xq1ymw2fv0-nix-grpc-store-exit-stress.drv