[Bug] Fix skipping every other `XData` field #124

Job	Run time
Formatting	5s
Build and test (ubuntu-latest, stable)	1m 10s
Build and test (ubuntu-latest, beta)	1m 18s
Build and test (ubuntu-latest, nightly)	1m 15s
Build and test (windows-latest, stable)	2m 21s
Build and test (windows-latest, beta)	2m 17s
Build and test (windows-latest, nightly)	2m 20s
Publish to crates.io	0s
	10m 46s

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