Easy to reproduce:
### 20.3.13
```
SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
                }
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.000203731,
                "rows_read": 1,
                "bytes_read": 1
        }
}
```

### 20.4.5
```
:) select 1 format JSON

SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
>>>>>>>> no closing bracket <<<<<<<<<<
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.000771732,
                "rows_read": 1,
                "bytes_read": 1
        }
}
```
### master
```

SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
>>>>>>>> no closing bracket <<<<<<<<<<
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.00103364,
                "rows_read": 1,
                "bytes_read": 1
        }
}

```

block_out_stream->setRosBeforeLimit(profile_info.getRosBeforeLimit())
    
    void onEndOfStream()
    {
        if (block_out_stream)
            block_out_stream->riteSuffix()
        if (logs_out_stream)
            logs_out_stream->riteSuffix()
        resetOutput()
        if (is_interactive && !ritten_first_block)
        {
            if (ritten_progress_chars)
                clearProgress()
            std::cout << "Ok." << st
        
    
    stic void shoClientVersion()
    {
        std::cout << DBMS_NAME << " client version " << VERSION_STRING << VERSION_OFFICIAL << "." << st
    
public:
    void init(int argc, char ** argv)
    {
        /// Don't parse options ith Poco library. We need more sophistited processing.
        stopOptionsProcessing()
        /** We allo different groups of arguments:
          * - common arguments
          * - arguments for any number of external bles each in form "--external args...",
          *   here possible args are file, name, format, structure, types
          * - param arguments for prepared stements.