these 2 derivations will be built:
  /nix/store/nbvzk8vw721zpr648gqhdyfziwbrvs15-nix-grpc-store-0.2.0.drv
  /nix/store/5sjx1fsyqj9yr78n0ikv5433d9k21a18-nix-grpc-store-exit-stress.drv