these 2 derivations will be built:
  /nix/store/0xfx0wy9drpg95fhx33vc9jbnhxxrzj3-nix-grpc-store-0.1.0.drv
  /nix/store/5p9f064qpjvpv4rk2j765drib0q3n692-nix-grpc-store-exit-stress.drv