temurin-build: asmtools.jar UnsupportedClassVersionError with Java 8

Trying to build testing for Java 8 results in the following today. It was working last night (EST). https://ci.eclipse.org/openj9/job/Test_openjdk8_j9_sanity.functional_ppc64le_linux_Personal/447

15:50:47  jasm_generator:
15:50:47      [mkdir] Created dir: /home/jenkins/jenkins-agent/workspace/Test_openjdk8_j9_sanity.functional_ppc64le_linux_Personal/openjdk-tests/functional/Java8andUp/bin/j9vm/test/invoker
15:50:47       [exec] Error: A JNI error has occurred, please check your installation and try again
15:50:47       [exec] Exception in thread "main" java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=org/openjdk/asmtools/Main, offset=6
15:50:47       [exec] 	at java.lang.ClassLoader.defineClassImpl(Native Method)
15:50:47       [exec] 	at java.lang.ClassLoader.defineClassInternal(ClassLoader.java:398)
15:50:47       [exec] 	at java.lang.ClassLoader.defineClass(ClassLoader.java:359)
15:50:47       [exec] 	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
15:50:47       [exec] 	at java.net.URLClassLoader.defineClass(URLClassLoader.java:682)
15:50:47       [exec] 	at java.net.URLClassLoader.access$400(URLClassLoader.java:89)
15:50:47       [exec] 	at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1086)
15:50:47       [exec] 	at java.security.AccessController.doPrivileged(AccessController.java:770)
15:50:47       [exec] 	at java.net.URLClassLoader.findClass(URLClassLoader.java:589)
15:50:47       [exec] 	at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:953)
15:50:47       [exec] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:898)
15:50:47       [exec] 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
15:50:47       [exec] 	at java.lang.ClassLoader.loadClass(ClassLoader.java:881)
15:50:47       [exec] 	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)
15:50:47       [exec] Result: 1

I suspect this problem is related to https://github.com/AdoptOpenJDK/openjdk-build/issues/1445