Rust

datetime_tests.rs NFC remove unused import #708

Job	Run time
build release channel stable	1m 45s
build 1.66.0 on ubuntu-latest	4m 30s
build release channel beta	1m 40s
build 1.67.1 on ubuntu-latest	3m 44s
build 1.68.0 on ubuntu-latest	3m 52s
build 1.70.0 on ubuntu-latest	3m 42s
build 1.66.0 on macos-latest	7m 42s
build 1.67.1 on macos-latest	6m 29s
build 1.68.0 on macos-latest	7m 39s
build 1.70.0 on macos-latest	6m 24s
build 1.66.0 on windows-latest	7m 31s
build 1.67.1 on windows-latest	8m 23s
build 1.68.0 on windows-latest	7m 33s
build 1.70.0 on windows-latest	6m 41s
build debug and release, upload	3m 52s
clippy	2m 2s
bench	3m 58s
check	2m 40s
codecov validate	7s
doc, publish	2m 12s
test	21m 10s
yamllint	16s
run s4	3m 32s
llvm-cov	10m 5s
	2h 7m 29s

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