these 2 derivations will be built:
  /nix/store/bqzwbpaz075wzi6skvq0q6slf98mcpan-nix-grpc-store-0.1.0-beta.1.drv
  /nix/store/an5af9mbzjjnydfacqmm3p9r1vmkwnyn-nix-grpc-store-exit-stress.drv