these 2 derivations will be built:
  /nix/store/sknpmwvgjbksm7h3nv6niw6d39p9rbgl-nix-grpc-store-0.2.3.drv
  /nix/store/ab1px5cxmqcppq15nfwn8a9zbhlfaj30-nix-grpc-store-exit-stress.drv