Rust

fix clippy #539

Job	Run time
build with wasm-pack	2m 2s
Check cargo fmt	40s
cargo check	2m 10s
cargo test (mac)	25m 48s
Verify MSRV	6m 31s
Verify Vendored Code	44s
cargo test (win64)	38m 16s
cargo test datafusion-cli (amd64)	2m 55s
cargo doc	3m 3s
check Cargo.toml formatting	1m 22s
cargo test hash collisions (amd64)	8m 25s
clippy	4m 1s
cargo test (amd64)	9m 32s
cargo test doc (amd64)	9m 27s
cargo examples (amd64)	6m 43s
Run sqllogictest with Postgres runner	3m 2s
cargo test pyarrow (amd64)	2m 10s
verify benchmark results (amd64)	9m 56s
check configs.md is up-to-date	2m 11s
	2h 18m 58s

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