Rust

Cleanup #616

Job	Run time
Check cargo fmt	37s
cargo check	6m 47s
build with wasm-pack	1m 52s
cargo test (mac)	9m 1s
Verify MSRV	6m 15s
Verify Vendored Code	53s
cargo test (win64)	7m 56s
Run sqllogictest with Postgres runner	3m 1s
verify benchmark results (amd64)	9m 43s
cargo doc	3m 1s
cargo test (amd64)	5m 31s
cargo test datafusion-cli (amd64)	2m 52s
clippy	4m 6s
cargo test doc (amd64)	9m 18s
cargo examples (amd64)	6m 42s
cargo test pyarrow (amd64)	2m 18s
check Cargo.toml formatting	1m 15s
check configs.md is up-to-date	2m 18s
cargo test hash collisions (amd64)	5m 25s
	1h 28m 51s

Provide feedback