CURRENT_TEST: encryption.innodb-checksum-algorithm
mysqltest: At line 10: query 'SET GLOBAL innodb_encryption_threads = 4' failed: <Unknown> (2013): Lost connection to server during query

The result from queries just before the failure was:
SET @saved_encrypt_tables = @@global.innodb_encrypt_tables;
SET @saved_encryption_threads = @@global.innodb_encryption_threads;
SET @saved_encryption_key_id = @@global.innodb_default_encryption_key_id;
SET GLOBAL innodb_encrypt_tables = ON;
SET GLOBAL innodb_encryption_threads = 4;
