Rust

Address comments #76

Job	Run time
Check cargo fmt	44s
linux build test	4m 41s
build with wasm-pack	3m 40s
Check License Header	2m 30s
cargo test (macos-aarch64)	15m 17s
Verify MSRV (Min Supported Rust Version)	10m 22s
Verify Vendored Code	54s
cargo check no default features	10m 15s
cargo check functions	2m 27s
cargo check datafusion	5m 28s
cargo doc	6m 10s
cargo test (amd64)	13m 10s
cargo test datafusion-cli (amd64)	5m 22s
cargo test doc (amd64)	20m 30s
cargo examples (amd64)	17m 2s
cargo test pyarrow (amd64)	4m 20s
verify benchmark results (amd64)	9m 58s
check Cargo.toml formatting	3m 4s
clippy	8m 3s
check configs.md and ***_functions.md is up-to-date	4m 40s
Run sqllogictest with Postgres runner	6m 1s
	2h 34m 38s

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