[Qa-jenkins-scm] Build failed in Jenkins: d-i_schroot-sid-upgrade #1628

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/d-i_schroot-sid-upgrade/1628/display/redirect>

Changes:

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Started by timer
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building on master in workspace <https://jenkins.debian.net/job/d-i_schroot-sid-upgrade/ws/>
[workspace] $ /bin/sh -xe /tmp/jenkins13482293965038369799.sh
+ schroot --directory /root -u root -c source:jenkins-d-i-sid -- apt-get update
Get:1 http://cdn-fastly.deb.debian.org/debian sid InRelease [139 kB]
Get:2 http://cdn-fastly.deb.debian.org/debian sid/main Sources.diff/Index [27.9 kB]
Get:3 http://cdn-fastly.deb.debian.org/debian sid/main amd64 Packages.diff/Index [27.9 kB]
Get:4 http://cdn-fastly.deb.debian.org/debian sid/main Sources 2019-08-26-0220.54.pdiff [13.8 kB]
Get:5 http://cdn-fastly.deb.debian.org/debian sid/main Sources 2019-08-26-0825.45.pdiff [7635 B]
Get:6 http://cdn-fastly.deb.debian.org/debian sid/main Sources 2019-08-26-1428.47.pdiff [20.6 kB]
Get:7 http://cdn-fastly.deb.debian.org/debian sid/main Sources 2019-08-26-2020.23.pdiff [27.1 kB]
Get:8 http://cdn-fastly.deb.debian.org/debian sid/main amd64 Packages 2019-08-26-0220.54.pdiff [16.7 kB]
Get:9 http://cdn-fastly.deb.debian.org/debian sid/main amd64 Packages 2019-08-26-0825.45.pdiff [5107 B]
Get:10 http://cdn-fastly.deb.debian.org/debian sid/main amd64 Packages 2019-08-26-1428.47.pdiff [18.3 kB]
Get:11 http://cdn-fastly.deb.debian.org/debian sid/main amd64 Packages 2019-08-26-2020.23.pdiff [46.0 kB]
Get:7 http://cdn-fastly.deb.debian.org/debian sid/main Sources 2019-08-26-2020.23.pdiff [27.1 kB]
Get:11 http://cdn-fastly.deb.debian.org/debian sid/main amd64 Packages 2019-08-26-2020.23.pdiff [46.0 kB]
Fetched 350 kB in 5s (76.9 kB/s)
Reading package lists...
E: jenkins-d-i-sid-c556294a-ad6f-48a2-a6f0-c76f75e08df4: Failed to unlock chroot: /var/lib/schroot/session/jenkins-d-i-sid-c556294a-ad6f-48a2-a6f0-c76f75e08df4: Failed to unlink session file: No such file or directory
Build step 'Execute shell' marked build as failure