var attributes = [];
for (var i = 0; i <= result.length - 1; i++){
            con.query('SELECT * FROM users WHERE id = ? and user = ?', [result[i].id, result[i].user], function (err, res, fields) {
                if (err)
                  console.error("error ocurred", err.message);

                if(res.length > 0){

                  attributes.push({
                    id   : res[0].id,
                    name : res[0].name,
                    email : res[0].email,
                  });
                }
            });

  }
  console.log(attributes);