don't catch panics in no_std

[Person-93]

Feature-gate panic handing during gc traversal.

[codspeed]

Merging this PR will degrade performance by 13.62%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

❌ 2 regressed benchmarks
✅ 139 untouched benchmarks
⏩ 6 skipped benchmarks¹

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	extract_biguint_small	1.4 µs	1.6 µs	-13.85%
❌	extract_biguint_zero	1.4 µs	1.6 µs	-13.39%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing Person-93:no_std-traverse_panic_abort (af5fa82) with main (52a646f)}

Footnotes

1. 6 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩