As you can see, builds 24 to 30 are for the same commit. #27 reports no warnings (not only the graph). The logs for each run are identical (except timestamps and such). The relevant lines are below the image, as well as the excerpt from the Jenkinsfile calling the reporter.

===> Compiling erlide_ide
_build/default/lib/erlide_ide/src/model/erlide_db.erl:24: Warning: type kind() is unused
_build/default/lib/erlide_ide/src/model/erlide_db.erl:100: Warning: function module_key/1 is unused
_build/default/lib/erlide_ide/src/model/erlide_db.erl:103: Warning: function module_props/2 is unused
step([$class: 'WarningsPublisher', canComputeNew: false, canResolveRelativePaths: true, canRunOnFailed: true,
consoleParsers: [[parserName: 'Erlang Compiler (erlc)'], [parserName: 'Maven']],
excludePattern: '', healthy: '', includePattern: '', messagesPattern: '', unHealthy: ''])
Please add more details (e.g., screenshots), I don't understand what exactly is the problem. Where are no warnings shown? What messages are in the log?