Started by upstream project "Frentity" build number 357
originally caused by:
 Started by upstream project "StdLib2" build number 437
 originally caused by:
  Started by an SCM change
Building in workspace /var/lib/jenkins/jobs/ForestDef/workspace
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 &gt; git config remote.origin.url <a href='https://github.com/Frotty/ForestDef.git'>https://github.com/Frotty/ForestDef.git</a> # timeout=10
Fetching upstream changes from <a href='https://github.com/Frotty/ForestDef.git'>https://github.com/Frotty/ForestDef.git</a>
 &gt; git --version # timeout=10
 &gt; git -c core.askpass=true fetch --tags --progress <a href='https://github.com/Frotty/ForestDef.git'>https://github.com/Frotty/ForestDef.git</a> +refs/heads/*:refs/remotes/origin/*
Seen branch in repository origin/classic
Seen branch in repository origin/healbacktower
Seen branch in repository origin/master
Seen 3 remote branches
Checking out Revision 915d561bf6d6b4c096db31ac8339d989c8e65f47 (origin/master)
 &gt; git config core.sparsecheckout # timeout=10
 &gt; git checkout -f 915d561bf6d6b4c096db31ac8339d989c8e65f47
 &gt; git rev-list 915d561bf6d6b4c096db31ac8339d989c8e65f47 # timeout=10
[workspace] $ /bin/sh -xe /tmp/jenkins8099457478916942755.sh
+ java -jar ../../Wurst/workspace/downloads/Wurstpack/wurstscript/wurstscript.jar ../../Wurst/workspace/downloads/Wurstpack/wurstscript/common.j ../../Wurst/workspace/downloads/Wurstpack/wurstscript/blizzard.j ./wurst -lib ../../StdLib2/workspace/ -lib ../../Frentity/workspace/ -runcompiletimefunctions
compilation finished (errors: 1, warnings: 5)
Error in File WarningBuff.wurst line 31:
 Cannot assign Void to EventListener
Build step 'Execute shell' marked build as failure
Sending e-mails to: peter.peq@gmail.com frotty@sunayama.de
Finished: FAILURE