Rust

Correctness and style fixes #349

Job	Run time
cargo check	8m 5s
cargo test (win64)	1h 16m 50s
Check cargo fmt	35s
Check License Header	2m 14s
build with wasm-pack	2m 58s
cargo test (macos)	12m 35s
cargo test (macos-aarch64)	14m 56s
Verify MSRV (Min Supported Rust Version)	8m 58s
Verify Vendored Code	1m 1s
cargo test (amd64)	11m 39s
cargo doc	4m 35s
cargo test datafusion-cli (amd64)	4m 4s
cargo test doc (amd64)	16m 39s
cargo examples (amd64)	14m 5s
cargo test pyarrow (amd64)	3m 13s
Run sqllogictest with Postgres runner	3m 44s
verify benchmark results (amd64)	13m 25s
check Cargo.toml formatting	2m 57s
clippy	5m 59s
check configs.md and ***_functions.md is up-to-date	3m 23s
cargo test hash collisions (amd64)	17m 36s
	3h 49m 31s

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