Merge pull request #1372 from google/clippy-9 #1863

Job	Run time
Test forcing wrapper generation	8m 30s
Examples Rust nightly	6m 12s
Examples Rust beta	4m 20s
Address Sanitizer	15m 19s
Examples Rust stable	5m 15s
Examples macOS	5m 15s
Clippy	1m 18s
Docs	1m 48s
Examples Windows (gnu)	6m 10s
Format	13s
Examples Windows (msvc)	7m 22s
Outdated	13s
Test Rust nightly	10m 58s
Test Rust beta	11m 5s
Test Rust stable	11m 19s
Test macOS	10m 21s
Test Windows (msvc)	14m 39s
	2h 0m 17s

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