these 2 derivations will be built:
  /nix/store/igv6zq9wfhi1abz80rj257lmzdr4yyj7-nix-grpc-store-0.2.3.drv
  /nix/store/0akkssn6r6qc56f65kmw42aak58v47md-nix-grpc-store-exit-stress.drv