Merge pull request #1743 from rust-lang/precise-cachegrind #3167

Job	Run time
Test benchmarks (--include cargo-0.60.0,stm32f4-0.14.0,webrender-2022, Check,Debug,Doc)	6m 14s
Database Check	1m 25s
Test and deploy	7m 50s
Test benchmarks (--include cargo-0.60.0,stm32f4-0.14.0,webrender-2022, Opt)	6m 13s
Compare page endpoint test	4m 35s
Test benchmarks (--exclude cargo-0.60.0,stm32f4-0.14.0,webrender-2022, Check,Debug,Doc)	12m 41s
Test benchmarks (--exclude cargo-0.60.0,stm32f4-0.14.0,webrender-2022, Opt)	8m 20s
Test profiling	6m 5s
Test on Windows	9m 48s
Test runtime benchmarks	9m 43s
	1h 12m 54s

Provide feedback