these 2 derivations will be built:
  /nix/store/02jn6plbvf610kprd1dvpwn15ww6nm0k-nix-grpc-store-0.1.0.drv
  /nix/store/q0qjfrz662q29rkgqq4dnsa48zajmvf8-nix-grpc-store-exit-stress.drv