anchor.diff:      "--skip test_resolve_global_path_in_modules"
     ];
   
  +  # [2022-04-06] Its test suite contains two function calls with the
  +  # wrong number of arguments, breaking its build.
  +  doCheck = false;
  +
     doInstallCheck = true;
     installCheckPhase = ''
       $out/bin/racer --version
  
positive.code:     homepage = "https://github.com/racer-rust/racer";
      license = licenses.mit;
      maintainers = with maintainers; [ jagajaga ];
      # error[E0199]: implementing the trait `Step` is not unsafe
      broken = true;
    };
  }
  
negative.code: 
  rustPlatform.buildRustPackage rec {
    pname = "racer";
    version = "2.2.1";
  
    src = fetchCrate {
      inherit pname version;
      sha256 = "sha256-uAVtJwOyhe1lPz+MUUFCgHJPVGuIk/lNUkQWiNdOZ5Y=";
    };
  
    cargoSha256 = "sha256-U2mI1y6t8CwxW/iPcPzxAafu61GNm/XLCKVGuyybV/4=";
  
    nativeBuildInputs = [ makeWrapper ];
    buildInputs = lib.optional stdenv.isDarwin Security;
  