encryption.innodb-bad-key-change2 fails with static file_key_management plugin

encryption.innodb-bad-key-change2 'innodb_plugin' w2 [ fail ]  Found warnings/errors in server log file!

        Test ended at 2015-09-06 15:06:36

line

2015-09-06 15:06:30 139771128174464 [ERROR] Couldn't load plugins from 'file_key_management.so'.

2015-09-06 15:06:34 139707772254080 [ERROR] Couldn't load plugins from 'file_key_management.so'.

^ Found warnings in /opt/buildbot-slave/mariadb/dan_demeter1/build/mysql-test/var/2/log/mysqld.1.err

ok

 - saving '/opt/buildbot-slave/mariadb/dan_demeter1/build/mysql-test/var/2/log/encryption.innodb-bad-key-change2-innodb_plugin/' to '/opt/buildbot-slave/mariadb/dan_demeter1/build/mysql-test/var/log/encryption.innodb-bad-key-change2-innodb_plugin/'

Retrying test encryption.innodb-bad-key-change2, attempt(2/3)...

worker[2] > Restart  - not started