Hotfix/travis

.travis.yml

@@ -1,6 +1,5 @@
 language: go
 go:
-  - 1.3
   - 1.4
   - release
   - tip

chainstore.go

@@ -85,7 +85,9 @@ func (c *Chain) Put(ctx context.Context, key string, val []byte) (err error) {
 		return
 	}
 	if c.async {
-		go fn()
+		go func() {
+			_ = fn()
+		}()
 	} else {
 		err = fn()
 	}
@@ -149,7 +151,9 @@ func (c *Chain) Del(ctx context.Context, key string) (err error) {
 		return
 	}
 	if c.async {
-		go fn()
+		go func() {
+			_ = fn()
+		}()
 	} else {
 		err = fn()
 	}

chainstore_test.go

@@ -144,7 +144,7 @@ func TestAsyncChain(t *testing.T) {
 	assert.Nil(err) // no error because sync store took it fine
 
 	time.Sleep(time.Second * 1) // wait for async operation..
-	assert.NotEmpty(errored.Load())
+	assert.NotNil(errored.Load())
 }
 
 type testStore struct{}