Rust

Rust #838

Job	Run time
integrity	23s
android	5m 25s
linux (--features debugmozjs)	8m 39s
linux (aarch64-unknown-linux-gnu)	8m 52s
linux	3m 45s
mac (--features debugmozjs)	9m 40s
linux (armv7-unknown-linux-gnueabihf)	8m 32s
windows (--features debugmozjs, x86_64-pc-windows-msvc)	11m 32s
mac	9m 41s
windows (--features debugmozjs, aarch64-pc-windows-msvc)	12m 43s
windows (x86_64-pc-windows-msvc)	13m 20s
windows (aarch64-pc-windows-msvc)	13m 31s
Result	1s
	1h 46m 4s

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