JBoss Server Migration Tool doesn't support JDK 11

$ ./jboss-server-migration.sh -s jboss-eap-6.4 -t jboss-eap-7.2 -n
...
Caused by: java.lang.RuntimeException: WFLYEMB0014: Cannot load module org.jboss.vfs from: local module loader @54504ecd (finder: local module finder @38b27cdc (roots: /home/pkremens/workspace/jboss-eap-7.2/modules,/home/pkremens/workspace/jboss-eap-7.2/modules/system/layers/base))
	at org.wildfly.core.embedded.EmbeddedProcessFactory.setupVfsModule(EmbeddedProcessFactory.java:299)
	at org.wildfly.core.embedded.EmbeddedProcessFactory.createStandaloneServer(EmbeddedProcessFactory.java:154)
	at org.wildfly.core.embedded.EmbeddedProcessFactory.createStandaloneServer(EmbeddedProcessFactory.java:116)
	at org.jboss.migration.wfly10.config.management.impl.EmbeddedStandaloneServerConfiguration.startConfiguration(EmbeddedStandaloneServerConfiguration.java:87)
	at org.jboss.migration.wfly10.config.management.impl.AbstractManageableServerConfiguration.start(AbstractManageableServerConfiguration.java:70)
	at org.jboss.migration.wfly10.config.task.ServerConfigurationMigration$1.run(ServerConfigurationMigration.java:96)
	at org.jboss.migration.core.task.TaskExecutionImpl.run(TaskExecutionImpl.java:169)
	... 24 more
Caused by: org.jboss.modules.ModuleNotFoundException: java.se
	at org.jboss.modules.Module.addPaths(Module.java:1266)
	at org.jboss.modules.Module.link(Module.java:1622)
	at org.jboss.modules.Module.relinkIfNecessary(Module.java:1650)
	at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:296)
	at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:280)
	at org.wildfly.core.embedded.EmbeddedProcessFactory.setupVfsModule(EmbeddedProcessFactory.java:297)
	... 30 more