[Issue 21796] Failed to stat file `./std_json.o'

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21796

--- Comment #1 from Berni44 <bugzilla at bernis-buecher.de> ---
This happend now the third time in a week. This time it was:

std/file.d(4099): [unittest] Failed to stat file `./std_meta.o'
object.Exception at std/file.d(4099): Failed to stat file `./std_meta.o'

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