main.null fails in buldbot and outside with ps-protocol

main.null                                w1 [ fail ]

        Test ended at 2016-11-02 17:13:33

CURRENT_TEST: main.null

--- /mnt/buildbot/build/mariadb-10.1.19/mysql-test/r/null.result	2016-11-02 14:55:24.000000000 +0200

+++ /mnt/buildbot/build/mariadb-10.1.19/mysql-test/r/null.reject	2016-11-02 17:13:32.000000000 +0200

@@ -1400,8 +1400,8 @@

 A	0

 SELECT CHARSET(NULLIF(a,_utf8'a' COLLATE utf8_bin)) FROM t1;

 CHARSET(NULLIF(a,_utf8'a' COLLATE utf8_bin))

-latin1

-latin1

+utf8

+utf8

 EXPLAIN EXTENDED SELECT NULLIF(a,_utf8'a' COLLATE utf8_bin) IS NULL AS expr FROM t1;

 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra

 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	

@@ -1556,7 +1556,7 @@

 create table t1 (f1 varchar(10));

 insert into t1 values ('2015-12-31');

 select power( timestamp( nullif( '2002-09-08', f1 ) ), 24 ) from t1;

-ERROR 22003: DOUBLE value is out of range in 'pow(cast((case when '2002-09-08' = `test`.`t1`.`f1` then NULL else '2002-09-08' end) as datetime(6)),24)'

+ERROR 22003: DOUBLE value is out of range in 'pow(cast(nullif('2002-09-08',`test`.`t1`.`f1`) as datetime(6)),24)'

 drop table t1;

 CREATE TABLE t1 (f1 INT);

 INSERT INTO t1 VALUES (1),(2);

mysqltest: Result length mismatch