[Qa-jenkins-scm] Build failed in Jenkins: reproducible_maintenance_armhf_wbq0 #4292

[jenkins at jenkins.debian.net]

https://jenkins.debian.net/job/reproducible_maintenance_armhf_wbq0/4292/------------------------------------------
Started by timer
[EnvInject] - Loading node environment variables.
Building remotely on wbq0-armhf-rb.debian.net (wbq0 armhf) in workspace <https://jenkins.debian.net/job/reproducible_maintenance_armhf_wbq0/ws/>
[reproducible_maintenance_armhf_wbq0] $ /bin/sh -xe /tmp/hudson4475057148818345247.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh
====================================================================================

Sun Jan 22 17:22:53 UTC 2017 - running /srv/jenkins/bin/reproducible_maintenance.sh () on wbq0 now.

To learn to understand this, git clone https://anonscm.debian.org/git/qa/jenkins.debian.net.git
and then have a look at the files README, INSTALL, CONTRIBUTING and maybe TODO.

This invocation of this script, which is located in bin/reproducible_maintenance.sh,
has been called using "" as arguments.

Please send technical feedback about jenkins to qa-jenkins-dev at lists.alioth.debian.org,
or as a bug against the 'jenkins.debian.org' pseudo-package,
feedback about specific jobs result should go to their respective lists and/or the BTS.

====================================================================================
Sun Jan 22 17:22:53 UTC 2017 - start running "/srv/jenkins/bin/reproducible_maintenance.sh" (md5sum f6a176c2d6e8e670c96f4a6f3d5c0d4b) as "/tmp/jenkins-script-9F9oXi86" on wbq0.

Sun Jan 22 17:22:53 UTC 2017 - testing whether the proxy works...
Sun Jan 22 17:22:53 UTC 2017 - testing whether /dev/shm is mounted correctly...
Sun Jan 22 17:22:53 UTC 2017 - testing whether /run/shm is a link...
Sun Jan 22 17:22:53 UTC 2017 - updating the schroots and pbuilder now...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0100 15381  100 15381    0     0   987k      0 --:--:-- --:--:-- --:--:-- 1072k
Sun Jan 22 17:22:53 UTC 2017 - updating the testing/armhf schroot now.
Get:1 http://security.debian.org testing/updates InRelease [68.2 kB]
Hit:2 http://reproducible.alioth.debian.org/debian ./ InRelease
Hit:3 http://ftp.us.debian.org/debian testing InRelease
Fetched 68.2 kB in 2s (29.4 kB/s)
Reading package lists...
W: No sandbox user '_apt' on the system, can not drop privileges
Write failed: Broken pipe

SSH EXIT CODE: 255
Build step 'Execute shell' marked build as failure