Merge pull request #1428 from google/lifetime-prob #2187

Job	Run time
Test forcing wrapper generation	6m 43s
Address Sanitizer	14m 0s
Examples Rust nightly	3m 42s
Clippy	34s
Examples Rust beta	3m 31s
Format	14s
Examples Rust stable	3m 57s
Docs	57s
Examples macOS	4m 16s
Outdated	10s
Examples Windows (gnu)	6m 37s
Test Rust nightly	8m 28s
Examples Windows (msvc)	5m 6s
Test Rust beta	8m 48s
Test Rust stable	9m 12s
Test macOS	11m 9s
Test Windows (msvc)	14m 52s
	1h 42m 16s

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