these 2 derivations will be built:
  /nix/store/jw30hq7yaxbp7ly1rfzmg75jjmpdk9yh-nix-grpc-store-0.2.3.drv
  /nix/store/m713sm2qx3vf0qsx68p2jh8p3pq7jznf-nix-grpc-store-exit-stress.drv