Rust

fix clippy #420

Job	Run time
Check cargo fmt	40s
Check License Header	2m 17s
linux build test	4m 33s
build with wasm-pack	3m 32s
cargo test (macos-aarch64)	14m 20s
Verify MSRV (Min Supported Rust Version)	10m 7s
Verify Vendored Code	50s
cargo check datafusion	5m 32s
check configs.md and ***_functions.md is up-to-date	4m 35s
clippy	2m 53s
check Cargo.toml formatting	3m 23s
cargo check functions	2m 13s
cargo check no default features	9m 58s
cargo test (amd64)	13m 4s
cargo doc	5m 58s
cargo test datafusion-cli (amd64)	5m 42s
cargo test doc (amd64)	19m 6s
cargo examples (amd64)	16m 50s
Run sqllogictest with Postgres runner	5m 40s
cargo test pyarrow (amd64)	3m 27s
verify benchmark results (amd64)	9m 6s
	2h 23m 46s

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