Rust

fix clippy #100

Job	Run time
cargo test (macos)	11m 8s
build with wasm-pack	2m 27s
cargo check	5m 38s
cargo test (win64)	44m 24s
Check cargo fmt	40s
cargo test (macos-aarch64)	10m 42s
Verify MSRV (Min Supported Rust Version)	7m 3s
Verify Vendored Code	52s
cargo test (amd64)	10m 4s
clippy	6m 5s
check Cargo.toml formatting	2m 56s
cargo test hash collisions (amd64)	13m 53s
cargo doc	3m 55s
cargo test datafusion-cli (amd64)	4m 6s
cargo test doc (amd64)	14m 37s
cargo examples (amd64)	13m 33s
Run sqllogictest with Postgres runner	3m 35s
cargo test pyarrow (amd64)	2m 47s
verify benchmark results (amd64)	12m 13s
check configs.md is up-to-date	2m 49s
	2h 53m 27s

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