Rust

Support for Tree formatting + tests #297

Job	Run time
macos test	12m 43s
linux build test	4m 15s
Clippy (amd64, stable)	4m 29s
verify benchmark results (amd64)	17m 26s
windows test	14m 2s
test linux balista	7m 27s
check linux workspace	2m 57s
Check Cargo.toml formatting (amd64, stable)	1m 3s
test linux crates	7m 43s
Lint	37s
cargo doc	3m 44s
	1h 16m 26s

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