these 2 derivations will be built:
  /nix/store/8k1ha0w95xzxg2c2lmj2z6ajnkxxqsa8-nix-grpc-store-0.2.2.drv
  /nix/store/6skfwg6c7hc7m3f6pxrh323y9pk744sv-nix-grpc-store-exit-stress.drv