Automated daily update to rustc (to nightly-2025-12-26) #2454

Job	Run time
Docs - nightly toolchain	57s
Docs - stable toolchain	53s
Test - stable toolchain (recent)	11m 27s
Test - 1.63.0 toolchain (minimal)	21m 42s
Test - stable toolchain (minimal)	11m 5s
Test - nightly toolchain (minimal)	11m 29s
Test - 1.63.0 toolchain (recent)	20m 25s
Lint - nightly toolchain (recent)	1m 22s
Test - nightly toolchain (recent)	12m 52s
Format - nightly toolchain	44s
Bench - nightly toolchain	4m 39s
Integration tests - stable toolchain	6m 24s
Embedded	1m 36s
	1h 45m 35s

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