Build failed in Jenkins: mesos-reviewbot #14121

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See <https://builds.apache.org/job/mesos-reviewbot/14121/>

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[URLTrigger] A change within the response URL invocation (log)
[EnvInject] - Loading node environment variables.
Building remotely on H9 (Mapreduce Falcon Hadoop Pig Zookeeper Tez Hdfs yahoo-not-h2) in workspace <https://builds.apache.org/job/mesos-reviewbot/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://git-wip-us.apache.org/repos/asf/mesos.git # timeout=10
Fetching upstream changes from https://git-wip-us.apache.org/repos/asf/mesos.git
 > git --version # timeout=10
 > git -c core.askpass=true fetch --tags --progress https://git-wip-us.apache.org/repos/asf/mesos.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse origin/master^{commit} # timeout=10
Checking out Revision 6f3e5e399647b5cd6991c744a257fd4400ac3fa5 (origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 6f3e5e399647b5cd6991c744a257fd4400ac3fa5
 > git rev-list 6f3e5e399647b5cd6991c744a257fd4400ac3fa5 # timeout=10
 > git tag -a -f -m Jenkins Build #14121 jenkins-mesos-reviewbot-14121 # timeout=10
[mesos-reviewbot] $ /bin/bash -xe /tmp/hudson4957509699475892812.sh
+ date
Sun Jul  3 19:11:29 UTC 2016
+ ./support/mesos-style.py
src/tests/containerizer/mesos_containerizer_tests.cpp:1300:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
Total errors found: 1
Checking 1004 files
Build step 'Execute shell' marked build as failure

Jenkins build is back to normal : mesos-reviewbot #14122

[Apache Jenkins Server <je...@builds.apache.org>]

See <https://builds.apache.org/job/mesos-reviewbot/14122/changes>