tests .to_rfc2822 panics #3516

Job	Run time
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	12s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	16s
check-docs	22s
alternative_targets (ubuntu-latest, aarch64-linux-android)	13s
cross-targets (x86_64-unknown-illumos)	1m 2s
cross-tests (ubuntu-latest)	1m 45s
features_check (ubuntu-latest)	23s
no_std (ubuntu-latest, thumbv6m-none-eabi)	8s
rust_msrv (ubuntu-latest)	1m 23s
rust_versions (ubuntu-latest, stable)	1m 4s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	11s
test_wasi (ubuntu-latest, wasm32-wasi)	26s
rust_versions (ubuntu-latest, beta)	1m 20s
test_wasm (ubuntu-latest)	29s
rust_versions (ubuntu-latest, nightly)	1m 3s
timezones (ubuntu-latest, ACST-9:30)	1m 20s
timezones (ubuntu-latest, EST4)	1m 24s
timezones (ubuntu-latest, UTC0)	1m 24s
timezones (ubuntu-latest, Asia/Katmandu)	1m 16s
timezones (macos-latest, ACST-9:30)	32s
timezones (macos-latest, EST4)	32s
timezones (macos-latest, UTC0)	32s
timezones (macos-latest, Asia/Katmandu)	31s
timezones (windows-latest, ACST-9:30)	2m 55s
timezones (windows-latest, EST4)	2m 51s
timezones (windows-latest, UTC0)	2m 56s
timezones (windows-latest, Asia/Katmandu)	2m 49s
	29m 19s

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