Comment 8 for bug 1664219

binlog.binlog_checksum 'mix' w2 [ fail ]
        Test ended at 2017-02-11 12:59:38

CURRENT_TEST: binlog.binlog_checksum
mysqltest: At line 25: command "copy_file" failed with error 1. my_errno=17

The result from queries just before the failure was:
set @save_binlog_checksum = @@global.binlog_checksum;
set @save_master_verify_checksum = @@global.master_verify_checksum;
set @@global.binlog_checksum = CRC32;
set @@global.master_verify_checksum = 1;
reset master;
must be master-bin.000001
show binary logs;
Log_name File_size
master-bin.000001 #
create table t1 (a int);
flush logs;
safe_process[12987]: Child process: 12988, exit: 1