added-must-use #1068

Job	Run time
Lint	2m 10s
Test wasm (stable, ubuntu-latest)	4m 57s
Test (ubuntu-latest, stable)	2m 31s
Test portable simd (ubuntu-latest, nightly)	43s
Test (ubuntu-latest, beta)	2m 24s
Test portable simd (macos-latest, nightly)	1m 2s
Test (ubuntu-latest, nightly)	2m 38s
Test portable simd (windows-latest, nightly)	2m 2s
Test (macos-latest, stable)	9m 35s
Test (macos-latest, beta)	4m 50s
Test (macos-latest, nightly)	4m 47s
Test (windows-latest, stable)	5m 10s
Test (windows-latest, beta)	4m 32s
Test (windows-latest, nightly)	4m 19s
	51m 40s

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