Failed to create phpstan directory (mkdir(): Permission denied) on Windows 11

Bug report

PHPStan 2.1.38 works fine, but when I try to run PHPStan 2.1.39 I get the following error:

Child process error (exit code 1): PHP: syntax error, unexpected '~' in Unknown on line 7
Failed to create directory "C:\Users\THEODO/phpstan" (mkdir(): Permission denied).
while running parallel worker

My environment is Windows 11 25H2.

The error somewhat makes sense since I don't have a C:\Users\THEODO directory on my PC. My actual user folder is C:\Users\TheodoreBrown, also accessible via C:\Users\THEODO~1.

I tried clearing the cache with vendor/bin/phpstan clear-result-cache, and this outputs:

Result cache cleared from directory:
C:\Users\THEODO~1\AppData\Local\Temp/phpstan

But I still get the above error when trying to analyze a project with PHPStan.

Could this have been broken by phpstan/phpstan-src#4699?

Code snippet that reproduces the problem

Not applicable.

Expected output

No fatal error.

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