chore(core): fix nightly lints #1372

Job	Run time
build_all_features	4m 37s
build_all_platforms (ubuntu-latest)	2m 33s
build_default_features (ubuntu-latest)	46s
build_under_wasm	47s
build_all_platforms (macos-latest)	2m 18s
check_clippy	3m 16s
build_default_features (macos-latest)	47s
build_all_platforms (windows-latest)	4m 10s
build_default_features (windows-latest)	1m 49s
check_docs	3m 7s
check_msrv	29s
unit	6m 16s
	30m 55s

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