Automated update to rustc nightly-2026-06-04 #700

Job	Run time
Cross test	1m 21s
Bench - nightly toolchain	1m 58s
Test 32-bit version	55s
Docs - stable toolchain	1m 30s
Docs - nightly toolchain	1m 47s
Test - nightly toolchain (recent)	6m 28s
Lint - nightly toolchain	1m 39s
Check WASM	36s
Test - msrv toolchain (recent)	1m 43s
Test - stable toolchain (recent)	6m 16s
	24m 13s

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