these 2 derivations will be built:
  /nix/store/jp17w8ffyf3bnxhfv6mbylymr2c15n35-nix-grpc-store-0.1.0.drv
  /nix/store/5zrr2f2rbwvsy3w8qz7p3fp4jy2x3dvg-nix-grpc-store-exit-stress.drv