Automated daily update to rustc (to nightly-2025-08-19) #580

Job	Run time
Prepare	5s
Test - stable toolchain	3m 3s
Docs - stable toolchain (recent)	34s
Check WASM	22s
Test - nightly toolchain	2m 42s
Test - MSRV	9m 51s
Lint - nightly toolchain (recent)	45s
Docs - nightly toolchain (recent)	36s
	17m 58s

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