these 2 derivations will be built:
  /nix/store/lj0j6rvi02qglvcnsjkf0mpfbzmbq2qr-nix-grpc-store-0.2.2.drv
  /nix/store/y9if5gdj5y69nlhi45lmswlk0ln48chf-nix-grpc-store-exit-stress.drv