Rust

add tests for hash util #30

Job	Run time
Check cargo fmt	40s
cargo check	4m 12s
build with wasm-pack	2m 23s
cargo test (macos)	9m 17s
cargo test (macos-aarch64)	9m 0s
Verify MSRV (Min Supported Rust Version)	6m 21s
Verify Vendored Code	51s
cargo test (win64)	36m 20s
clippy	5m 3s
cargo test hash collisions (amd64)	9m 1s
check Cargo.toml formatting	2m 49s
check configs.md is up-to-date	3m 9s
cargo doc	4m 1s
cargo test (amd64)	9m 33s
cargo test datafusion-cli (amd64)	3m 49s
cargo test doc (amd64)	13m 38s
cargo examples (amd64)	13m 10s
Run sqllogictest with Postgres runner	3m 11s
cargo test pyarrow (amd64)	3m 9s
verify benchmark results (amd64)	10m 36s
	2h 30m 13s

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