these 2 derivations will be built:
  /nix/store/f9f7vbxdzc03ilavk13a5d2mc656qg2d-nix-grpc-store-0.1.0-beta.3.drv
  /nix/store/zsnn58szcwr6aqzfv27s79q4189n34rq-nix-grpc-store-exit-stress.drv