anchor.diff:      owner = "timberio";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "sha256-2iMD3QpVm1YmiEH17PdjgiNoD2Gt9BRJ5soMDB//b3Y=";
  +    sha256 = "sha256-47tT17XS+bymwm82hbyCykmviGUByfFIxjNaq6OQWn8=";
     };
   
  -  cargoSha256 = "sha256-OkK0COSHdZ6fHWUrZ90ltuFSCtVZ14QZiIWVwkHOvq8=";
  +  cargoSha256 = "sha256-91rXbHVpdupd14XsC7GjkZd0cUhxhVMYXlRdsyUx3L0=";
     nativeBuildInputs = [ pkg-config cmake perl ];
     buildInputs = [ oniguruma openssl protobuf rdkafka zstd ]
       ++ lib.optionals stdenv.isDarwin [ Security libiconv coreutils CoreServices ];
  
positive.code:   buildFeatures = features;
  
    # TODO investigate compilation failure for tests
    # there are about 100 tests failing (out of 1100) for version 0.21.2
    doCheck = false;
  
    checkFlags = [
  
negative.code: 
  let
    pname = "vector";
    version = "0.22.0";
  in
  rustPlatform.buildRustPackage {
    inherit pname version;
  