Make sure reading past end of JUMBF box is an error #2337

Job	Run time
Clippy	29s
Enforce Rust code format	14s
Preflight docs.rs build	1m 59s
License / vulnerability audit (advisories)	29s
Preflight crate publish (ubuntu-latest, stable)	1m 13s
Unit tests with minimum versions of direct dependencies (windows-latest)	3m 41s
Unit tests (windows-latest, stable)	4m 27s
Unit tests with minimum versions of direct dependencies (macos-latest)	1m 54s
Unit tests (windows-latest, 1.74.0)	3m 12s
Unit tests with minimum versions of direct dependencies (ubuntu-latest)	1m 12s
Unit tests (aarch64-unknown-linux-gnu, stable)	4m 17s
Unit tests (macos-latest, stable)	1m 28s
Unit tests (aarch64-unknown-linux-gnu, 1.74.0)	4m 19s
Unit tests (macos-latest, 1.74.0)	1m 17s
Unit tests (WASM)	1m 47s
Unit tests (ubuntu-latest, stable)	1m 59s
Unit tests (ubuntu-latest, 1.74.0)	1m 59s
Check for unused dependencies	2m 7s
Ensure (MINOR) tag is used when making an API breaking change	2m 2s
License / vulnerability audit (bans licenses sources)	22s
	40m 27s

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