Added missing TryFrom; turned remaining TryInto into TryFrom #171

Job	Run time
aarch64-apple-ios	24s
build (windows-2019)	1m 49s
android (aarch64-linux-android)	13s
build (ubuntu-latest)	13s
android (armv7-linux-androideabi)	14s
cross-linux (aarch64, aarch64-unknown-linux-gnu, aarch64-linux-gnu)	45s
cross-windows (aarch64-pc-windows-msvc)	1m 42s
android (x86_64-linux-android)	19s
build (macos-latest)	49s
cross-linux (arm, armv7-unknown-linux-gnueabihf, arm-linux-gnueabihf)	36s
cross-windows (i686-pc-windows-msvc)	2m 44s
android (i686-linux-android)	16s
cross-linux (i386, i686-unknown-linux-gnu, i686-linux-gnu)	38s
freebsd (13.1)	6h 0m 1s
freebsd (12.3)	23m 51s
	6h 34m 34s

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