go version devel +3cf533be5e36 Mon Feb 24 16:34:51 2014 +0900 linux/amd64
$ go test -race testing
WARNING: DATA RACE
Write by goroutine 71:
testing.(*common).FailNow()
src/pkg/testing/testing.go:303 +0x48
testing.(*common).Fatal()
src/pkg/testing/testing.go:339 +0x78
testing_test.func·003()
src/pkg/testing/benchmark_test.go:91 +0x312
testing.func·002()
src/pkg/testing/benchmark.go:416 +0x17d
Previous write by goroutine 70:
testing.(*common).FailNow()
src/pkg/testing/testing.go:303 +0x48
testing.(*common).Fatal()
src/pkg/testing/testing.go:339 +0x78
testing_test.func·003()
src/pkg/testing/benchmark_test.go:91 +0x312
testing.func·002()
src/pkg/testing/benchmark.go:416 +0x17d
Goroutine 71 (running) created at:
testing.(*B).RunParallel()
src/pkg/testing/benchmark.go:417 +0x3a1
testing_test.func·004()
src/pkg/testing/benchmark_test.go:92 +0xc4
testing.(*B).runN()
src/pkg/testing/benchmark.go:124 +0xe8
testing.(*B).launch()
src/pkg/testing/benchmark.go:197 +0xc6
Goroutine 70 (finished) created at:
testing.(*B).RunParallel()
src/pkg/testing/benchmark.go:417 +0x3a1
testing_test.func·004()
src/pkg/testing/benchmark_test.go:92 +0xc4
testing.(*B).runN()
src/pkg/testing/benchmark.go:124 +0xe8
testing.(*B).launch()
src/pkg/testing/benchmark.go:197 +0xc6
