Fix docs and miri tests #497

Job	Run time
nostd/thumbv6m-none-eabi/stable	21s
Pass MSRV values to other jobs	2s
clippy/stable	26s
docs/nightly	22s
cargo-careful	3m 33s
format/nightly	15s
miri	2m 5s
cross_test/s390x-unknown-linux-gnu/stable	9m 59s
cross_test/i686-unknown-linux-gnu/stable	3m 20s
blas-msrv	1m 7s
tests/stable	3m 18s
tests/1.64.0	6m 13s
tests/beta	3m 14s
tests/nightly	3m 23s
conclusion	4s
	37m 42s

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