Check supported rust versions on CI #2444

Job	Run time
minimal	9s
msrv	50s
rustfmt-clippy	27s
check-cfg	20s
docs	19s
quickchecking	12s
test-book	7s
test (ubuntu-latest, 9.0, 1, 0, 0, 0, 0)	1m 12s
test-expectations (ubuntu-latest)	49s
test (ubuntu-latest, 9.0, 1, 0, 0, 1, 0)	13s
test-expectations (macos-12)	1m 11s
test (ubuntu-latest, 9.0, 1, 0, 1, 0, 0)	1m 12s
test (ubuntu-latest, 9.0, 1, 0, 1, 1, 0)	1m 12s
test (ubuntu-latest, 9.0, 1, 1, 0, 0, 0)	18s
test (ubuntu-latest, 9.0, 1, 1, 0, 1, 0)	12s
test (ubuntu-latest, 9.0, 1, 1, 1, 0, 0)	1m 11s
test (ubuntu-latest, 9.0, 1, 1, 1, 1, 0)	1m 12s
test (ubuntu-latest, 16.0, 1, 0, 0, 0, 0)	1m 13s
test (ubuntu-latest, 16.0, 1, 0, 0, 1, 0)	1m 13s
test (ubuntu-latest, 16.0, 1, 0, 1, 0, 0)	1m 11s
test (ubuntu-latest, 16.0, 1, 0, 1, 1, 0)	1m 13s
test (ubuntu-latest, 16.0, 1, 1, 0, 0, 0)	15s
test (ubuntu-latest, 16.0, 1, 1, 0, 1, 0)	1m 12s
test (ubuntu-latest, 16.0, 1, 1, 1, 0, 0)	1m 12s
test (ubuntu-latest, 16.0, 1, 1, 1, 1, 0)	1m 11s
test (ubuntu-latest, 16.0, 0, 0, 1)	22s
test (macos-12, 9.0, 0, 0, 0)	55s
success	1s
	21m 4s

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