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
        }
}

```

if (!actual_client_error || actual_client_error != expected_client_error)
                    {
                        std::cerr << st
                            << "Exception on client:" << st
                            << "Code: " << e.code() << ". " << e.displayText() << st
                        if (config().getBool("scktrace", false))
                            std::cerr << "Sck trace:" << st << e.getSckTraceString() << st
                        std::cerr << st
                    
                    /// Client-side exception during query execution n result in the loss of
                    /// sync in the connection protocol.
                    nect and allo to enter the next query.
                    connect()
                
            
            hile (true)
            if (isNeYearMode())
                std::cout << "Happy ne year." << st
            else if (isChineseNeYearMode(lol_tz))
                std::cout << "Happy Chinese ne year. 春节快乐!" << st
            else
                std::cout << "Bye." << st
            return 0
        
        else
        {
            query_id = config().getString("query_id", "")
            if (query_fuzzer_runs)
            {
                nonInteractiveWithFuzzing()