Xcode Cloud 26b7 Metal Compilation Failure

I've been getting intermittent failures on Xcode code compiling my app on multiple platforms because it fails to compile a metal shader.

The Metal Toolchain was not installed and could not compile the Metal source files. Download the Metal Toolchain from Xcode > Settings > Components and try again.

Sometimes if I re-run it, it works fine. Then I'll run it again, and it will fail.

If you tell me to file a feedback, please tell me what information would be useful and actionable, because this is all I have.

Sometimes it says this:

lstat(
/Volumes/workspace/DerivedData/Build/Intermediates.noindex/ArchiveIntermediates/<TARGETNAME>/IntermediateBuildFilesPath/<TARGETNAME>.build/Release-iphoneos/<APPNAME>.build/Metal/PageCurl.dat
): No such file or directory (2)

Oh here's a ticket for this problem that I closed earlier in the beta cycle cause it was fixed once. Feel free to reopen it if you can.

FB18269317

Xcode Cloud 26b7 Metal Compilation Failure
 
 
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