Assertion `!recv_sys->mlog_checkpoint_lsn || *space == TRX_SYS_SPACE || srv_is_undo_tablespace(*space) || it != recv_spaces.end()' failed in recv_parse_log_rec upon prepare from a full backup

mariabackup: /home/travis/src/storage/innobase/log/log0recv.cc:2412: ulint recv_parse_log_rec(mlog_id_t*, byte*, byte*, ulint*, ulint*, bool, byte**): Assertion `!recv_sys->mlog_checkpoint_lsn || *space == TRX_SYS_SPACE || srv_is_undo_tablespace(*space) || it != recv_spaces.end()' failed.

190125  6:03:42 [ERROR] mysqld got signal 6 ;

/lib/x86_64-linux-gnu/libc.so.6(+0x2dc82)[0x7fbc05815c82]

log/log0recv.cc:2412(recv_parse_log_rec(mlog_id_t*, unsigned char*, unsigned char*, unsigned long*, unsigned long*, bool, unsigned char**))[0x55e38a2dc8cb]

log/log0recv.cc:2696(recv_parse_log_recs(unsigned long, store_t, bool))[0x55e38a2dd515]

log/log0recv.cc:3100(recv_scan_log_recs(unsigned long, store_t*, unsigned char const*, unsigned long, unsigned long, unsigned long, unsigned long*, unsigned long*))[0x55e38a2de3db]

log/log0recv.cc:3195(recv_group_scan_log_recs(log_group_t*, unsigned long, unsigned long*, bool))[0x55e38a2de8db]

log/log0recv.cc:3519(recv_recovery_from_checkpoint_start(unsigned long))[0x55e38a2dfbd1]

srv/srv0start.cc:2192(innobase_start_or_create_for_mysql())[0x55e38a3ef14a]

mariabackup/xtrabackup.cc:1995(innodb_init())[0x55e389bb1827]

mariabackup/xtrabackup.cc:5595(xtrabackup_prepare_func(char**))[0x55e389bbbc4b]

mariabackup/xtrabackup.cc:6434(main_low(char**))[0x55e389bbdf45]

mariabackup/xtrabackup.cc:6227(main)[0x55e389bbd757]

/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7fbc05808830]

/home/travis/server/bin/mariabackup(_start+0x29)[0x55e389bad069]