Rust

Update Rust crate libc to v0.2.166 #738

Job	Run time
build-unix (1.71, ubuntu)	26s
build-docker (1.71, x86_64-unknown-freebsd)	1m 10s
build-unix (1.71, macos)	38s
build-windows (i686, msvc, 1.71)	1m 16s
build-docker (stable, x86_64-unknown-freebsd)	39s
build-unix (stable, ubuntu)	16s
build-windows (i686, msvc, stable)	3m 8s
build-docker (nightly, x86_64-unknown-freebsd)	37s
build-unix (stable, macos)	35s
build-windows (i686, msvc, nightly)	1m 27s
build-unix (nightly, ubuntu)	32s
build-windows (x86_64, msvc, 1.71)	1m 24s
build-unix (nightly, macos)	35s
build-windows (x86_64, msvc, stable)	2m 39s
build-windows (x86_64, msvc, nightly)	1m 7s
build-windows (aarch64, msvc, 1.71)	1m 1s
build-windows (aarch64, msvc, stable)	1m 38s
build-windows (aarch64, msvc, nightly)	1m 5s
	20m 13s

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