these 2 derivations will be built:
  /nix/store/dmh2vdvwpdppwzbwknvk7p8j4vw6av8f-nix-grpc-store-0.2.2.drv
  /nix/store/353mrks3c25jjc85i7mppyc438lk67lg-nix-grpc-store-exit-stress.drv