chore: fix loop span #28

Job	Run time
clippy	17s
docs	13s
feature-checks	27s
fmt	11s
miri --no-default-features	32s
miri	35s
test stable --no-default-features	11s
miri --all-features	46s
test stable	28s
test stable --all-features	40s
test beta --no-default-features	22s
test beta	18s
test beta --all-features	28s
test nightly --no-default-features	14s
test nightly	17s
test nightly --all-features	36s
test 1.65 --no-default-features	39s
test 1.65	39s
test 1.65 --all-features	54s
	8m 47s

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