Build

fix unsigned to signed conversion bug #1663

Job	Run time
Test (Ubuntu, MSRV)	3m 47s
Test (Windows, MSRV)	5m 1s
Type checking (MSRV, no_std)	3m 55s
Type-check benchmarks	17s
Test (MacOS, MSRV)	5m 39s
Type checking (MSRV, std_no_offset)	5m 29s
Test (miri)	10m 16s
Test (Ubuntu, stable)	50s
Type checking (MSRV, std_with_offset)	4m 27s
Test (Windows, stable)	1m 58s
Type checking (stable, no_std)	45s
Clippy	51s
Cross-build	49s
Test (MacOS, stable)	1m 25s
Type checking (stable, std_no_offset)	2m 18s
Type checking (stable, std_with_offset)	1m 27s
Documentation	19s
Formatting	15s
Coverage	51s
Publish docs	0s
	50m 39s

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