Track permissions as bytes #684

Job	Run time
iOS (aarch64-apple-ios, iphoneos)	48s
iOS (x86_64-apple-ios, iphonesimulator)	37s
Docker (aarch64-unknown-linux-gnu)	1m 5s
Docker (arm-unknown-linux-gnueabihf)	1m 2s
Docker (armv7-unknown-linux-gnueabihf)	1m 3s
Docker (i586-unknown-linux-gnu)	1m 7s
Docker (i686-unknown-linux-gnu)	42s
Docker (powerpc64-unknown-linux-gnu)	1m 4s
Docker (s390x-unknown-linux-gnu)	1m 8s
Docker (x86_64-pc-windows-gnu)	1m 7s
Docker (x86_64-unknown-linux-gnu)	40s
Docker (x86_64-unknown-linux-musl)	50s
Docker (arm-linux-androideabi)	2m 19s
Docker (armv7-linux-androideabi)	2m 32s
Docker (aarch64-linux-android)	1m 34s
Docker (i686-linux-android)	1m 48s
Docker (x86_64-linux-android)	2m 7s
Test (ubuntu-20.04, stable)	3m 55s
Test (ubuntu-20.04, beta)	3m 31s
Test (ubuntu-20.04, nightly)	4m 31s
Test (macos-latest, stable)	5m 48s
Test (macos-latest, nightly)	7m 29s
Test (windows-latest, stable-x86_64-msvc)	3m 25s
Test (windows-latest, stable-i686-msvc)	3m 57s
Test (windows-latest, stable-x86_64-gnu)	3m 13s
Windows AArch64	4m 15s
Miri	4m 29s
MSRV	47s
Build Targets (wasm32-unknown-unknown)	23s
Build Targets (wasm32-wasi)	28s
Build Targets (x86_64-unknown-fuchsia)	29s
Build Targets (x86_64-fortanix-unknown-sgx)	23s
Build Targets (x86_64-unknown-illumos)	25s
Rustfmt	8s
	1h 9m 9s

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