[Qa-jenkins-scm] Build failed in Jenkins: lvc_debian-8.4.0 #62

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/lvc_debian-8.4.0/62/>

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Started by user Holger Levsen
Building remotely on profitbricks-build10-amd64.debian.net (profitbricks10 amd64) in workspace <https://jenkins.debian.net/job/lvc_debian-8.4.0/ws/>
[lvc_debian-8.4.0] $ /bin/sh -xe /tmp/hudson190067576993359074.sh
+ /srv/jenkins/bin/jenkins_master_wrapper.sh http://cdimage.debian.org/debian-cd/8.4.0/amd64/iso-cd/debian-8.4.0-amd64-netinst.iso /srv/jenkins/cucumber/features
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Sun May 29 17:19:57 UTC 2016 - running /srv/jenkins/bin/lvc.sh () on profitbricks-build10-amd64 now.

To learn to understand this, clone git.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/lvc.sh, has been called using "http://cdimage.debian.org/debian-cd/8.4.0/amd64/iso-cd/debian-8.4.0-amd64-netinst.iso /srv/jenkins/cucumber/features" as arguments.

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Sun May 29 17:19:57 UTC 2016 - start running "/srv/jenkins/bin/lvc.sh" (md5sum 886708ba4c3c59569620aeff6932f944) as "/tmp/jenkins-script-4lnq3hOA" on profitbricks-build10-amd64.

error: failed to get domain 'DebianToaster'
error: Domain not found: no domain with matching name 'DebianToaster'
Downloading http://cdimage.debian.org/debian-cd/8.4.0/amd64/iso-cd/debian-8.4.0-amd64-netinst.iso
-rw-r--r-- 1 jenkins jenkins 258998272 May 28 14:46 /var/lib/jenkins/debian-8.4.0-amd64-netinst.iso
File exists, will only re-download if a newer one is available...
8d52d1b7789cd5a464aae719f05299ec  /var/lib/jenkins/debian-8.4.0-amd64-netinst.iso
Debug log available at runtime at https://jenkins.debian.net/view/lvc/job//ws/results/debug.log
Virtual X framebuffer started on display :0
VNC server running on: localhost:5900
[info] Sikuli vision engine loaded.
no implicit conversion of nil into String (TypeError)
/srv/jenkins/cucumber/features/step_definitions/snapshots.rb:7:in `+'
/srv/jenkins/cucumber/features/step_definitions/snapshots.rb:7:in `checkpoints'
/srv/jenkins/cucumber/features/step_definitions/snapshots.rb:252:in `<top (required)>'
/usr/lib/ruby/vendor_ruby/cucumber/rb_support/rb_language.rb:95:in `load'
/usr/lib/ruby/vendor_ruby/cucumber/rb_support/rb_language.rb:95:in `load_code_file'
/usr/lib/ruby/vendor_ruby/cucumber/runtime/support_code.rb:180:in `load_file'
/usr/lib/ruby/vendor_ruby/cucumber/runtime/support_code.rb:83:in `block in load_files!'
/usr/lib/ruby/vendor_ruby/cucumber/runtime/support_code.rb:82:in `each'
/usr/lib/ruby/vendor_ruby/cucumber/runtime/support_code.rb:82:in `load_files!'
/usr/lib/ruby/vendor_ruby/cucumber/runtime.rb:184:in `load_step_definitions'
/usr/lib/ruby/vendor_ruby/cucumber/runtime.rb:42:in `run!'
/usr/lib/ruby/vendor_ruby/cucumber/cli/main.rb:42:in `execute!'
/usr/bin/cucumber:13:in `<main>'
Trying to preserve last screenshot…
ls: cannot access results/*.png: No such file or directory
Sun May 29 17:20:01 UTC 2016 - /srv/jenkins/bin/lvc.sh stopped running as /tmp/jenkins-script-4lnq3hOA, which will now be removed.
Build step 'Execute shell' marked build as failure