Remove unsafe code from macro expansions #2194

Job	Run time
docs	30s
check no_std	40s
features stable	2m 2s
clippy	43s
features stable --all-targets	3m 18s
fmt	13s
features nightly	1m 33s
miri --no-default-features	5m 5s
features nightly --all-targets	2m 51s
miri	4m 48s
miri --all-features	7m 30s
test ubuntu-latest stable --no-default-features	1m 7s
wasm	38s
test ubuntu-latest stable	1m 24s
test ubuntu-latest nightly --no-default-features	49s
test ubuntu-latest nightly	46s
test ubuntu-latest 1.81 --no-default-features	34s
test ubuntu-latest 1.81	35s
test windows-latest stable --no-default-features	3m 16s
test windows-latest stable	3m 17s
test windows-latest nightly --no-default-features	1m 47s
test windows-latest nightly	2m 7s
test windows-latest 1.81 --no-default-features	1m 13s
test windows-latest 1.81	1m 53s
test ubuntu-latest 1.81 --features json	35s
test windows-latest 1.81 --features json	1m 34s
test ubuntu-latest nightly --all-features	1m 11s
test windows-latest nightly --all-features	2m 49s
ci success	1s
	54m 49s

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