these 2 derivations will be built:
  /nix/store/wkkqgs0l3adzssbfrflbblz565kxw54d-nix-grpc-store-fuzzers-0.1.0-beta.4.drv
  /nix/store/zr5x0rizclp5rccvyn1py6jf23x0w26p-nix-grpc-store-fuzz-smoke.drv