Rust

address review comments #88

Job	Run time
cargo check	5m 13s
build with wasm-pack	2m 28s
cargo test (macos-aarch64)	9m 4s
Verify Vendored Code	53s
cargo test (win64)	45m 19s
Check cargo fmt	40s
cargo test (macos)	10m 32s
Verify MSRV (Min Supported Rust Version)	6m 58s
cargo test (amd64)	9m 39s
cargo examples (amd64)	13m 1s
clippy	5m 43s
cargo doc	4m 15s
cargo test datafusion-cli (amd64)	4m 1s
cargo test hash collisions (amd64)	14m 5s
cargo test doc (amd64)	15m 3s
Run sqllogictest with Postgres runner	3m 32s
cargo test pyarrow (amd64)	2m 54s
verify benchmark results (amd64)	11m 55s
check Cargo.toml formatting	3m 5s
check configs.md is up-to-date	2m 54s
	2h 51m 14s

Provide feedback