*: update dockerfile and fix a make dev error (pingcap#2856)

* update Dockerfile because go 1.7 is required * fix make error
Yui-Song · Mar 17, 2017 · 52f533b · 52f533b
1 parent aa92604
commit 52f533b
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diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.6
+FROM golang:1.7
 
 COPY . /go/src/github.com/pingcap/tidb
 

diff --git a/store/tikv/backoff.go b/store/tikv/backoff.go
@@ -192,7 +192,7 @@ func (b *Backoffer) String() string {
 	if b.totalSleep == 0 {
 		return ""
 	}
-	return fmt.Sprintf(" backoff(%dms %#s)", b.totalSleep, b.types)
+	return fmt.Sprintf(" backoff(%dms %s)", b.totalSleep, b.types)
 }
 
 // Fork creates a new Backoffer which keeps current Backoffer's sleep time and errors.