fix: correct some stack IO #3148

Job	Run time
check no-default-features	29s
check serde	26s
check std	38s
clippy	1m 20s
docs	1m 16s
fmt	10s
test stable --no-default-features	57s
test no_std	27s
test stable	53s
test stable --all-features	1m 33s
test beta --no-default-features	53s
test beta	58s
test beta --all-features	1m 20s
test nightly --no-default-features	54s
test nightly	55s
test nightly --all-features	1m 30s
	14m 39s

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