Add support for user provided closure to receive nonfatal errors #166

Job	Run time
cargo-deny	19s
Rustfmt [Formatter]	15s
Compile (x86_64-unknown-linux-musl)	21s
Clippy [Linter] (ubuntu-latest)	13s
Compile (wasm32-wasi)	15s
Clippy [Linter] (windows-latest)	48s
Clippy [Linter] (macos-latest)	18s
Test Suite (ubuntu-latest, 1.70)	5m 22s
Test Suite (ubuntu-latest, stable)	14s
Test Suite (ubuntu-latest, nightly)	17s
Test Suite (windows-latest, 1.70)	45s
Test Suite (windows-latest, stable)	1m 36s
Test Suite (windows-latest, nightly)	37s
Test Suite (macos-latest, 1.70)	40s
Test Suite (macos-latest, stable)	17s
Test Suite (macos-latest, nightly)	25s
	12m 42s

Provide feedback