anchor.diff:  
   rustPlatform.buildRustPackage rec {
     pname = "wasmer";
  -  version = "1.0.2";
  +  version = "2.0.0";
   
     src = fetchFromGitHub {
       owner = "wasmerio";
       repo = pname;
       rev = version;
  -    sha256 = "0ciia8hhkkyh6rmrxgbk3bgwjwzkcba6645wlcm0vlgk2w4i5m3z";
  +    sha256 = "191f60db2y1f3xw1x81mw88vclf1c4kgvnfv74g5vb3vn7n57c5j";
       fetchSubmodules = true;
     };
   
  -  cargoSha256 = "140bzxhsyfif99x5a1m1d45ppb6jzvy9m4xil7z1wg2pnq9k7zz8";
  +  cargoSha256 = "0hhwixqhrl79hpzmvq7ga3kp2cfrwr4i8364cwnr7195xwnfxb0k";
   
     nativeBuildInputs = [ cmake pkg-config ];
   
  
positive.code:     '';
      homepage = "https://wasmer.io/";
      license = licenses.mit;
      maintainers = with maintainers; [ Br1ght0ne ];
    };
  }
  
negative.code:   ];
  
    cargoTestFlags = [
      "--features" "test-cranelift"
      # Can't use test-jit :
      # error: Package `wasmer-workspace v2.0.0 (/build/source)` does not have the feature `test-jit`
    ];
  
    LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
  