Rust

Reformatted JSVal Implementation #772

Job	Run time
integrity	34s
linux (aarch64-unknown-linux-gnu)	8m 56s
linux (--features debugmozjs)	3m 47s
linux (armv7-unknown-linux-gnueabihf)	8m 42s
android	5m 13s
linux	3m 28s
mac (--features debugmozjs)	14m 20s
mac	10m 3s
windows (--features debugmozjs, x86_64-pc-windows-msvc)	9m 8s
windows (--features debugmozjs, aarch64-pc-windows-msvc)	9m 29s
windows (x86_64-pc-windows-msvc)	7m 38s
windows (aarch64-pc-windows-msvc)	7m 46s
Result	1s
	1h 29m 5s

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