main.locale failed in buildbot with a missing warning

main.locale                              w1 [ fail ]

        Test ended at 2019-08-20 00:00:00

CURRENT_TEST: main.locale

--- /usr/share/mysql-test/r/locale.result	2019-08-19 21:46:29.000000000 +0000

+++ /dev/shm/var/1/log/locale.reject	2019-08-20 00:00:00.144972975 +0000

@@ -107,8 +107,6 @@

 SET NAMES utf8;

 CREATE TABLE t1 (c VARCHAR(8) CHARACTER SET latin1, d DATE);

 INSERT INTO t1 VALUES ('test',now());

-Warnings:

-Note	1265	Data truncated for column 'd' at row 1

 SET lc_time_names=ru_RU;

 SELECT c FROM t1 WHERE DAYNAME(d)<>c;

 ERROR HY000: Illegal mix of collations (utf8_general_ci,COERCIBLE) and (latin1_swedish_ci,IMPLICIT) for operation '<>'

mysqltest: Result length mismatch