these 2 derivations will be built:
  /nix/store/gvrym23ya0l5iqb4sf90q75zjjhjvdf6-nix-grpc-store-0.1.0.drv
  /nix/store/ha6d11kii4ng9g1mqfi5k2q8w3bwmm7d-nix-grpc-store-exit-stress.drv