Rust

feat: notify scheduler when task fails #296

Job	Run time
Lint	28s
Build Libraries on AMD64 Rust stable	17m 14s
Test on windows-latest Rust stable	9m 49s
Test on macos-latest Rust stable	4m 50s
verify benchmark results (amd64) (amd64, stable)	13m 59s
Test Workspace on AMD64 Rust stable	13m 13s
Check Cargo.toml formatting (amd64, stable)	3m 21s
Test Ballista on AMD64 Rust stable	12m 25s
Clippy (amd64, stable)	5m 49s
Docker	16s
	1h 21m 24s

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