main.partition_innodb fails in buildbot with wrong result

main.partition_innodb 'innodb'           w1 [ fail ]

        Test ended at 2019-07-24 16:28:53

CURRENT_TEST: main.partition_innodb

--- D:/win32-debug/build/src/mysql-test/main/partition_innodb.result	2019-07-24 16:10:28.471773300 +0000

+++ D:\win32-debug\build\src\mysql-test\main\partition_innodb.reject	2019-07-24 16:28:53.693111000 +0000

@@ -406,7 +406,7 @@

 insert into t1 values (0), (1), (2), (3);

 show table status;

 Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary

-t1	InnoDB	10	Dynamic	4	4096	16384	0	0	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL	partitioned		0	N

+t1	InnoDB	10	Dynamic	5	3276	16384	0	0	#	NULL	#	NULL	NULL	latin1_swedish_ci	NULL	partitioned		0	N

 drop table t1;

 create table t1 (a int auto_increment primary key)

 engine = innodb

mysqltest: Result content mismatch