Rust

WIP: changes to upstream DF, in order to enable parallelized writes with ParquetSink #29

Job	Run time
Check cargo fmt	48s
cargo check	4m 40s
build with wasm-pack	2m 17s
cargo test (macos)	3m 11s
cargo test (macos-aarch64)	3m 23s
Verify MSRV (Min Supported Rust Version)	7m 3s
Verify Vendored Code	58s
cargo test (win64)	7m 29s
check configs.md is up-to-date	0s
clippy	0s
circular dependency check	0s
check Cargo.toml formatting	0s
cargo doc	0s
cargo test hash collisions (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo test (amd64)	0s
cargo test doc (amd64)	0s
cargo examples (amd64)	0s
Run sqllogictest with Postgres runner	0s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
	29m 49s

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