Rust

Fix span guard location #4069

Job	Run time
cargo-docs	6m 47s
cargo-docs	6m 47s
cargo-fmt	26s
cargo-fmt	26s
cargo-clippy (self-hosted, ubuntu-20.04-x86-64)	6m 58s
cargo-clippy (self-hosted, ubuntu-20.04-x86-64)	6m 58s
cargo-test (self-hosted, ubuntu-20.04-x86-64)	17m 48s
cargo-test (self-hosted, ubuntu-20.04-x86-64)	17m 48s
cargo-clippy (self-hosted, macos-14-arm64)	9m 55s
cargo-clippy (self-hosted, macos-14-arm64)	9m 55s
cargo-test (self-hosted, macos-14-arm64)	24m 52s
cargo-test (self-hosted, macos-14-arm64)	24m 52s
cargo-clippy (self-hosted, windows-server-2022-x86-64)	18m 41s
cargo-clippy (self-hosted, windows-server-2022-x86-64)	18m 41s
cargo-test (self-hosted, windows-server-2022-x86-64)	30m 14s
cargo-test (self-hosted, windows-server-2022-x86-64)	29m 59s
	3h 51m 7s

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