Last master version 2.73.3 won't start when usernames contain $

INFO: Loaded all jobs
Nov 09, 2017 8:40:54 AM jenkins.util.groovy.GroovyHookScript execute
INFO: Executing /var/jenkins_home/init.groovy.d/tcp-slave-agent-port.groovy
Nov 09, 2017 8:40:54 AM hudson.model.AsyncPeriodicWork$1 run
INFO: Started Download metadata
Nov 09, 2017 8:40:54 AM hudson.model.AsyncPeriodicWork$1 run
INFO: Finished Download metadata. 37 ms
Nov 09, 2017 8:40:54 AM jenkins.InitReactorRunner$1 onTaskFailed
SEVERE: Failed AllUsers.scanAll
java.lang.Error: java.lang.reflect.InvocationTargetException
 at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:110)
 at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
 at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
 at jenkins.model.Jenkins$7.runTask(Jenkins.java:1090)
 at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
 at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
 ... 8 more
Caused by: java.lang.NumberFormatException: For input string: "whco"
 at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
 at java.lang.Integer.parseInt(Integer.java:580)
 at jenkins.model.IdStrategy$CaseInsensitive.idFromFilename(IdStrategy.java:306)
 at hudson.model.User$AllUsers.scanAll(User.java:1056)
 ... 13 more
Nov 09, 2017 8:40:54 AM hudson.util.BootFailure publish
SEVERE: Failed to initialize Jenkins
hudson.util.HudsonFailedToLoad: org.jvnet.hudson.reactor.ReactorException: java.lang.Error: java.lang.reflect.InvocationTargetException
 at hudson.WebAppMain$3.run(WebAppMain.java:252)
Caused by: org.jvnet.hudson.reactor.ReactorException: java.lang.Error: java.lang.reflect.InvocationTargetException
 at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:269)
 at jenkins.InitReactorRunner.run(InitReactorRunner.java:47)
 at jenkins.model.Jenkins.executeReactor(Jenkins.java:1124)
 at jenkins.model.Jenkins.<init>(Jenkins.java:929)
 at hudson.model.Hudson.<init>(Hudson.java:86)
 at hudson.model.Hudson.<init>(Hudson.java:82)
 at hudson.WebAppMain$3.run(WebAppMain.java:235)
Caused by: java.lang.Error: java.lang.reflect.InvocationTargetException
 at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:110)
 at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
 at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
 at jenkins.model.Jenkins$7.runTask(Jenkins.java:1090)
 at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
 at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
 ... 8 more
Caused by: java.lang.NumberFormatException: For input string: "whco"
 at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
 at java.lang.Integer.parseInt(Integer.java:580)
 at jenkins.model.IdStrategy$CaseInsensitive.idFromFilename(IdStrategy.java:306)
 at hudson.model.User$AllUsers.scanAll(User.java:1056)
 ... 13 more
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins cleanUp
INFO: Stopping Jenkins
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins$21 onAttained
INFO: Started termination
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins$21 onAttained
INFO: Completed termination
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins _cleanUpDisconnectComputers
INFO: Starting node disconnection
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins _cleanUpShutdownPluginManager
INFO: Stopping plugin manager
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins _cleanUpPersistQueue
INFO: Persisting build queue
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins _cleanUpAwaitDisconnects
INFO: Waiting for node disconnection completion
Nov 09, 2017 8:40:54 AM jenkins.model.Jenkins cleanUp
INFO: Jenkins stopped
--> setting agent port for jnlp
Nov 09, 2017 8:41:04 AM hudson.init.impl.InstallUncaughtExceptionHandler$DefaultUncaughtExceptionHandler uncaughtException
SEVERE: A thread (Thread-3/50) died unexpectedly due to an uncaught exception, this may leave your Jenkins in a bad way and is usually indicative of a bug in the code.
java.lang.NullPointerException: Cannot invoke method setSlaveAgentPort() on null object
 at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:91)
 at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:48)
 at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
 at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:35)
 at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
 at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
 at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
 at tcp-slave-agent-port$_run_closure1.doCall(tcp-slave-agent-port.groovy:10)
 at tcp-slave-agent-port$_run_closure1.doCall(tcp-slave-agent-port.groovy)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
 at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
 at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)
 at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022)
 at groovy.lang.Closure.call(Closure.java:414)
 at groovy.lang.Closure.call(Closure.java:408)
 at groovy.lang.Closure.run(Closure.java:495)
 at java.lang.Thread.run(Thread.java:745)