[Qa-jenkins-scm] Build failed in Jenkins: reproducible_builds_diffoscope_website #23

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_builds_diffoscope_website/23/display/redirect?page=changes>

Changes:

[lamby] Generate contributor list dynamically.

[lamby] Generate a 'latest release' and display (with date) on the homepage.


------------------------------------------
Started by an SCM change
Running as SYSTEM
[EnvInject] - Loading node environment variables.
Building on master in workspace <https://jenkins.debian.net/job/reproducible_builds_diffoscope_website/ws/>
No credentials specified
Wiping out workspace first.
Cloning the remote Git repository
Cloning repository https://salsa.debian.org/reproducible-builds/diffoscope-website.git
 > git init <https://jenkins.debian.net/job/reproducible_builds_diffoscope_website/ws/> # timeout=10
Fetching upstream changes from https://salsa.debian.org/reproducible-builds/diffoscope-website.git
 > git --version # timeout=10
 > git fetch --tags --force --progress -- https://salsa.debian.org/reproducible-builds/diffoscope-website.git +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url https://salsa.debian.org/reproducible-builds/diffoscope-website.git # timeout=10
 > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git config remote.origin.url https://salsa.debian.org/reproducible-builds/diffoscope-website.git # timeout=10
Fetching upstream changes from https://salsa.debian.org/reproducible-builds/diffoscope-website.git
 > git fetch --tags --force --progress -- https://salsa.debian.org/reproducible-builds/diffoscope-website.git +refs/heads/*:refs/remotes/origin/* # timeout=10
 > git rev-parse refs/remotes/origin/master^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/master^{commit} # timeout=10
Checking out Revision eb8dad40c74a92d0d7fa067ac06587cd4f4ffbf9 (refs/remotes/origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f eb8dad40c74a92d0d7fa067ac06587cd4f4ffbf9 # timeout=10
Commit message: "Generate a 'latest release' and display (with date) on the homepage."
 > git rev-list --no-walk 875ea3d576b27a24ce5c37ebbffa1c5eddb70076 # timeout=10
[workspace] $ /bin/sh -xe /tmp/jenkins2253784605411339924.sh
+ mkdir -pv /srv/diffoscope.org/www
+ jekyll build -I -s . -d /srv/diffoscope.org/www
Configuration file: ./_config.yml
            Source: .
       Destination: /srv/diffoscope.org/www
 Incremental build: enabled
      Generating... 
  Liquid Exception: undefined method `length' for nil:NilClass in index.md
jekyll 3.8.3 | Error:  undefined method `length' for nil:NilClass
Build step 'Execute shell' marked build as failure