these 2 derivations will be built:
  /nix/store/rjm5lj9mqp3b6iqyag3cf41m4m5ldfal-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/ckw9s1wlfzvpig4dkd3nk55j9d1070jd-nix-grpc-store-exit-stress.drv