The following test failed in the JDK20 CI:

java/io/File/TempDirDoesNotExist.java

Here's a snippet from the log file:

#section:main
----------messages:(7/247)----------
command: main TempDirDoesNotExist
reason: Assumed action based on file name: run main TempDirDoesNotExist 
started: Wed Nov 23 19:25:42 UTC 2022
Mode: agentvm
Agent id: 8
finished: Wed Nov 23 19:25:42 UTC 2022
elapsed time (seconds): 0.026
----------configuration:(14/1320)*----------

<snip>

----------System.err:(16/1071)*----------
java.nio.file.InvalidPathException: Illegal char <:> at index 46: C:\\Users\\mach5-one\\non-existing-\\2022-11-23T19:25:42.876284500Z
	at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
	at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
	at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:232)
	at java.base/java.nio.file.Path.of(Path.java:148)
	at TempDirDoesNotExist.main(TempDirDoesNotExist.java:46)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	at java.base/java.lang.reflect.Method.invoke(Method.java:578)
	at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
	at java.base/java.lang.Thread.run(Thread.java:1591)

JavaTest Message: Test threw exception: java.nio.file.InvalidPathException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.nio.file.InvalidPathException: Illegal char <:> at index 46: C:\Users\mach5-one\non-existing-\2022-11-23T19:25:42.876284500Z