these 2 derivations will be built:
  /nix/store/zgig3np5g4adxxbsa4nc5aryg7jrgqcw-nix-grpc-store-0.2.0.drv
  /nix/store/c98wwi8kz6z7if3yl4x1y2y0gwvnylj2-nix-grpc-store-exit-stress.drv