innodb.alter_varchar_change failed in buildbot with wrong result

innodb.alter_varchar_change 'innodb'     w3 [ fail ]

        Test ended at 2020-06-15 20:48:04

CURRENT_TEST: innodb.alter_varchar_change

--- /usr/local/mariadb-10.5.4-linux-i686/mysql-test/suite/innodb/r/alter_varchar_change.result	2020-06-15 19:37:25.000000000 +0300

+++ /usr/local/mariadb-10.5.4-linux-i686/mysql-test/suite/innodb/r/alter_varchar_change.reject	2020-06-15 20:48:04.749806368 +0300

@@ -494,9 +494,11 @@

 create table t (a varchar(100)) engine=innodb;

 select name, pos, mtype, prtype, len from information_schema.innodb_sys_columns where name='a';

 name	pos	mtype	prtype	len

+a	0	6	1800	8

 a	0	1	524303	100

 alter table t modify a varchar(110), algorithm=inplace;

 select name, pos, mtype, prtype, len from information_schema.innodb_sys_columns where name='a';

 name	pos	mtype	prtype	len

+a	0	6	1800	8

 a	0	1	524303	110

 drop table t;

mysqltest: Result length mismatch