Rust

chore: release v0.42.1 (#736) #1587

Job	Run time
clippy	1m 23s
wasm-build	56s
build (stable, ubuntu)	4m 28s
build (stable, ubuntu, -F stream)	4m 41s
build (stable, macos)	3m 34s
build (stable, macos, -F stream)	4m 20s
build (stable, windows)	8m 30s
build (stable, windows, -F stream)	8m 20s
build (beta, ubuntu)	4m 40s
build (beta, ubuntu, -F stream)	4m 34s
build (beta, macos)	4m 10s
build (beta, macos, -F stream)	3m 11s
build (beta, windows)	7m 20s
build (beta, windows, -F stream)	7m 29s
build (nightly, ubuntu)	3m 8s
build (nightly, ubuntu, -F stream)	3m 8s
build (nightly, macos)	4m 2s
build (nightly, macos, -F stream)	5m 34s
build (nightly, windows)	7m 23s
build (nightly, windows, -F stream)	7m 48s
	1h 38m 39s

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