these 2 derivations will be built:
  /nix/store/gy6qfkcpmrzjkr5r7qj9s2cn70m5n060-nix-grpc-store-0.2.3.drv
  /nix/store/5pnw5lj5s05zkrc9i29lsx41xjwaxjl5-nix-grpc-store-exit-stress.drv