bitref: bit-level reference types #1332

Job	Run time
x86 (x86_64-unknown-linux-gnu, stable)	34s
test-derive (stable)	28s
test-derive (1.85.0)	25s
x86 (x86_64-unknown-linux-gnu, 1.85.0)	26s
cross (aarch64-unknown-linux-gnu, stable)	52s
cross (powerpc-unknown-linux-gnu, 1.85.0)	42s
cross (aarch64-unknown-linux-gnu, 1.85.0)	42s
cross (powerpc-unknown-linux-gnu, stable)	41s
build (stable, thumbv7em-none-eabi)	40s
build (stable, wasm32-unknown-unknown)	9s
build (1.85.0, armv7a-none-eabi)	15s
minimal-versions / minimal-versions	34s
build (1.85.0, wasm32-unknown-unknown)	15s
build (stable, armv7a-none-eabi)	12s
build (1.85.0, thumbv7em-none-eabi)	16s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	25s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.85.0)	13s
test (x86_64-pc-windows-msvc, windows-latest, stable)	1m 5s
test (x86_64-apple-darwin, macos-latest, stable)	17s
test (x86_64-pc-windows-msvc, windows-latest, 1.85.0)	49s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.85.0, sudo apt update && sudo apt install gcc-mult...	29s
test (x86_64-apple-darwin, macos-latest, 1.85.0)	29s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	11s
	11m 9s

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