Small Windows cleanups #3009

Job	Run time
timezones (ubuntu-latest, ACST-9:30)	1m 15s
timezones (ubuntu-latest, EST4)	1m 30s
features_check (ubuntu-latest)	5m 34s
timezones (ubuntu-latest, UTC0)	1m 14s
features_check (macos-latest)	16m 55s
timezones (ubuntu-latest, Asia/Katmandu)	1m 32s
features_check (windows-latest)	9m 40s
timezones (macos-latest, ACST-9:30)	1m 2s
timezones (macos-latest, EST4)	1m 2s
rust_msrv (ubuntu-latest)	1m 0s
timezones (macos-latest, UTC0)	1m 49s
rust_versions (ubuntu-latest, stable)	1m 5s
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	17s
timezones (macos-latest, Asia/Katmandu)	1m 5s
rust_versions (ubuntu-latest, beta)	1m 2s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	16s
rust_versions (ubuntu-latest, nightly)	1m 4s
timezones (windows-latest, ACST-9:30)	2m 6s
alternative_targets (ubuntu-latest, aarch64-linux-android)	20s
timezones (windows-latest, EST4)	2m 18s
timezones (windows-latest, UTC0)	1m 57s
test_wasm (ubuntu-latest)	18s
test_wasi (ubuntu-latest, wasm32-wasi)	20s
timezones (windows-latest, Asia/Katmandu)	1m 55s
no_std (ubuntu-latest, thumbv6m-none-eabi)	13s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	21s
cross-targets (x86_64-unknown-illumos)	1m 15s
check-docs	21s
cross-tests (ubuntu-latest)	1m 46s
	1h 0m 32s

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