Make sure reading past end of JUMBF box is an error #2338

Job	Run time
Enforce Rust code format	15s
Preflight docs.rs build	1m 59s
License / vulnerability audit (advisories)	25s
Clippy	34s
License / vulnerability audit (bans licenses sources)	27s
Preflight crate publish (ubuntu-latest, stable)	1m 5s
Unit tests with minimum versions of direct dependencies (windows-latest)	3m 1s
Unit tests with minimum versions of direct dependencies (macos-latest)	1m 33s
Unit tests (windows-latest, stable)	4m 17s
Unit tests with minimum versions of direct dependencies (ubuntu-latest)	1m 4s
Unit tests (aarch64-unknown-linux-gnu, stable)	4m 16s
Unit tests (windows-latest, 1.74.0)	3m 15s
Unit tests (WASM)	1m 59s
Unit tests (aarch64-unknown-linux-gnu, 1.74.0)	4m 16s
Unit tests (macos-latest, stable)	1m 20s
Check for unused dependencies	2m 6s
Unit tests (macos-latest, 1.74.0)	1m 17s
Ensure (MINOR) tag is used when making an API breaking change	2m 3s
Unit tests (ubuntu-latest, stable)	1m 56s
Unit tests (ubuntu-latest, 1.74.0)	2m 2s
	39m 10s

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