Continuous integration #381

Job	Run time
check (thumbv7em-none-eabihf, stable)	18s
Format	12s
rustdoc	17s
check (thumbv7em-none-eabihf, nightly)	20s
check (thumbv6m-none-eabi, nightly)	19s
check (thumbv6m-none-eabi, stable)	21s
test	38s
Clippy	20s
	2m 45s

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