came across a permission denied, in jenkins slave docker runtime.

[xiaods]

time="2016-03-02T09:47:03+08:00" level=info msg="docker-slim: processing 'fat' image info..." 
time="2016-03-02T09:47:03+08:00" level=info msg="docker-slim: starting instrumented 'fat' container..." 
time="2016-03-02T09:47:03+08:00" level=info msg="docker-slim: created container => 003570b71cc4f29f1c1f408ab222046369bf7bb7a5a439804f00735b91798b45" 
time="2016-03-02T09:47:04+08:00" level=fatal msg="docker-slim: failure" error="API error (500): Cannot start container 003570b71cc4f29f1c1f408ab222046369bf7bb7a5a439804f00735b91798b45: [8] System error: exec: \"/opt/dockerslim/bin/sensor\": permission denied\n" 
Build step 'Execute shell' marked build as failure
a

[xiaods]

overlay filesystem, maybe this security caused the issue:
echo 0 >/proc/sys/kernel/grsecurity/chroot_deny_chmod