Oct 11 14:43:48.634 ERRO this task or one of its parent failed!
Oct 11 14:43:48.635 ERRO failed to generate lockfile for ppapi-tester-0.0.1
Oct 11 14:43:48.635 ERRO caused by: unable to generate lockfile for ppapi-tester-0.0.1
Oct 11 14:43:48.635 ERRO caused by: command `"docker" "start" "-a" "70efdaee3ff79ec2aadc16b364a769cc8aa111d635fb43e1e36c3775eb2d882f"` failed