Rust

Auto merge of #572 - cuviper:ci-msrv, r=Amanieu #900

Job	Run time
miri	1m 50s
rustfmt_clippy	14s
basics	1s
msrv	3m 25s
test (ubuntu-latest, x86_64-unknown-linux-gnu, 1.74.0)	2m 3s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly)	2m 55s
test (ubuntu-latest, i686-unknown-linux-gnu, 1.74.0)	2m 10s
test (ubuntu-latest, i686-unknown-linux-gnu, nightly)	2m 20s
test (ubuntu-latest, i586-unknown-linux-gnu, 1.74.0)	2m 6s
test (ubuntu-latest, i586-unknown-linux-gnu, nightly)	2m 19s
test (ubuntu-latest, armv7-unknown-linux-gnueabihf, 1.74.0)	3m 30s
test (ubuntu-latest, armv7-unknown-linux-gnueabihf, nightly)	3m 41s
test (ubuntu-latest, aarch64-unknown-linux-gnu, 1.74.0)	2m 59s
test (ubuntu-latest, aarch64-unknown-linux-gnu, nightly)	3m 21s
test (ubuntu-latest, thumbv6m-none-eabi, 1.74.0)	1m 15s
test (ubuntu-latest, thumbv6m-none-eabi, nightly)	1m 8s
test (macos-latest, aarch64-apple-darwin, nightly)	2m 25s
test (windows-latest, x86_64-pc-windows-msvc, nightly)	4m 37s
test (macos-latest, aarch64-apple-darwin, 1.74.0)	1m 44s
test (windows-latest, x86_64-pc-windows-msvc, 1.74.0)	3m 21s
test (ubuntu-latest, x86_64-unknown-linux-gnu, beta)	1m 54s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	1m 48s
bors build finished	1s
bors build finished	0s
	51m 7s

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