sys_vars.innodb_checksum_algorithm_basic failed in buildbot with errno: 2000

sys_vars.innodb_checksum_algorithm_basic 'innodb' w3 [ fail ]

        Test ended at 2019-12-24 08:37:49

CURRENT_TEST: sys_vars.innodb_checksum_algorithm_basic

Warning: /mnt/buildbot/build/mariadb-10.2.31/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-ca=/mnt/buildbot/build/mariadb-10.2.31/mysql-test/std_data/cacert.pem'

Warning: /mnt/buildbot/build/mariadb-10.2.31/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-cert=/mnt/buildbot/build/mariadb-10.2.31/mysql-test/std_data/client-cert.pem'

Warning: /mnt/buildbot/build/mariadb-10.2.31/libmysqld/examples/mysqltest_embedded: unknown variable 'loose-ssl-key=/mnt/buildbot/build/mariadb-10.2.31/mysql-test/std_data/client-key.pem'

Warning: /mnt/buildbot/build/mariadb-10.2.31/libmysqld/examples/mysqltest_embedded: unknown option '--loose-skip-ssl'

Got ERROR: "InnoDB: Operating system error number 2 in a file operation." errno: 2000

Got ERROR: "InnoDB: The error means the system cannot find the path specified." errno: 2000

Got ERROR: "InnoDB: If you are installing InnoDB, remember that you must create directories yourself, InnoDB does not create them." errno: 2000

Got ERROR: "InnoDB: Cannot open datafile for read-only: './mysql/innodb_index_stats.ibd' OS error: 71" errno: 2000

Got ERROR: "InnoDB: Operating system error number 2 in a file operation." errno: 2000

Got ERROR: "InnoDB: The error means the system cannot find the path specified." errno: 2000

Got ERROR: "InnoDB: If you are installing InnoDB, remember that you must create directories yourself, InnoDB does not create them." errno: 2000

Got ERROR: "InnoDB: Cannot open datafile for read-only: './mysql/innodb_table_stats.ibd' OS error: 71" errno: 2000

Got ERROR: "InnoDB: Database page corruption on disk or a failed file read of tablespace innodb_system page [page id: space=0, page number=243]. You may have to recover from a backup." errno: 2000