lms

Update toolchain and minor fixes #224

Job	Run time
check-for-todos	3s
msrv	5m 6s
rustfmt	6s
clippy	12s
set-msrv	3s
bench	45s
cross (1.63, aarch64-unknown-linux-gnu, default)	7m 16s
test (1.63)	4m 20s
cross (stable, aarch64-unknown-linux-gnu, default)	4m 35s
build (1.63, thumbv7em-none-eabi)	2m 51s
test (stable)	1m 24s
build (1.63, wasm32-unknown-unknown)	2m 47s
build (stable, thumbv7em-none-eabi)	18s
build (stable, wasm32-unknown-unknown)	13s
	29m 59s

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