these 2 derivations will be built:
  /nix/store/1w24g9m8v9r998nbh9nawkqywil4rwl9-nix-grpc-store-0.1.0.drv
  /nix/store/31jbvnykf2s7pf241zj071nmsvnk5m3v-nix-grpc-store-exit-stress.drv