Chain of archive tests failed with "bytes lost" warnings in buildbot

worker[3] > Restart [mysqld.1 - pid: 2958, winpid: 2958] - running with different options '--loose-archive --plugin-load-add=ha_archive.so' != '--loose-archive --plugin-load-add=ha_archive.so --skip-symbolic-links'

archive.archive                          w3 [ pass ]   3025

archive.archive_bitfield                 w3 [ pass ]     85

archive.archive_debug                    w3 [ pass ]     84

archive.archive_gis                      w3 [ pass ]    191

archive.archive_symlink                  w3 [ pass ]    195

archive.discover                         w3 [ pass ]    313

archive.discover_5438                    w3 [ pass ]     71

archive.mysqlhotcopy_archive             w3 [ skipped ]  Test needs Perl modules DBI and DBD::mysql

archive.repair                           w3 [ pass ]     85

funcs_1.is_engines_archive               w3 [ pass ]     21

vcol.vcol_archive                        w3 [ pass ]    198

worker[3] > Restart [mysqld.1 - pid: 2979, winpid: 2979] - running with different options '--loose-aria-recover=backup --loose-aria-log-dir-path=/home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/var/3/tmp' != '--loose-archive --plugin-load-add=ha_archive.so'

***Warnings generated in error logs during shutdown after running tests: archive.mysqlhotcopy_archive archive.repair archive.archive_debug vcol.vcol_archive archive.discover archive.archive funcs_1.is_engines_archive archive.archive_bitfield archive.archive_symlink archive.archive_gis archive.discover_5438

Warning:   16 bytes lost at 0xfffa5671430, allocated by T@0 at :0, :0, :0, 0xfffa7ddb66c, 0xfffa7ddbe00, 0xfffa7ddcc10, 0xfffa7de2d58, sql/handler.cc:4339

Warning: 65536 bytes lost at 0xfffa4450070, allocated by T@0 at :0, 0xfffb07a8d88, 0xfffa7ddbd04, 0xfffa7ddcc10, 0xfffa7de2d58, sql/handler.cc:4339, sql/handler.cc:4708, sql/unireg.cc:378

Warning: 65536 bytes lost at 0xfffa4430070, allocated by T@0 at :0, 0xfffb07a8d4c, 0xfffa7ddbd04, 0xfffa7ddcc10, 0xfffa7de2d58, sql/handler.cc:4339, sql/handler.cc:4708, sql/unireg.cc:378

Warning: 65536 bytes lost at 0xfffa4410070, allocated by T@0 at :0, 0xfffb07a8d1c, 0xfffa7ddbd04, 0xfffa7ddcc10, 0xfffa7de2d58, sql/handler.cc:4339, sql/handler.cc:4708, sql/unireg.cc:378

Warning: 65536 bytes lost at 0xfffa49b0070, allocated by T@0 at :0, 0xfffb07a8cec, 0xfffa7ddbd04, 0xfffa7ddcc10, 0xfffa7de2d58, sql/handler.cc:4339, sql/handler.cc:4708, sql/unireg.cc:378

Warning: 5936 bytes lost at 0xfffa4911870, allocated by T@0 at :0, 0xfffb07a8c58, 0xfffa7ddbd04, 0xfffa7ddcc10, 0xfffa7de2d58, sql/handler.cc:4339, sql/handler.cc:4708, sql/unireg.cc:378