innodb_zip.wl6501_1 fails in buildbot with Unknown storage engine 'InnoDB'

innodb_zip.wl6501_1 'innodb'             w2 [ fail ]

        Test ended at 2017-05-08 19:08:36

CURRENT_TEST: innodb_zip.wl6501_1

mysqltest: At line 228: query 'select count(*) from t1' failed: 1286: Unknown storage engine 'InnoDB'

The result from queries just before the failure was:

< snip >

3

select count(*) from t4;

count(*)

3

select count(*) from t5;

count(*)

3

select count(*) from t6;

count(*)

3

set session debug="+d,ib_trunc_crash_during_drop_index_temp_table";

Warnings:

Warning	1287	'@@debug' is deprecated and will be removed in a future release. Please use '@@debug_dbug' instead

"---debug ib_trunc_crash_during_drop_index_temp_table point---"

# Write file to make mysql-test-run.pl expect crash and restart

# Run the crashing query

truncate table t5;

ERROR HY000: Lost connection to MySQL server during query

# Restart the MySQL server

select count(*) from t1;