[perf] Move some messages to warnings from errors.

Also increase some logging info.

Bug: skia:
Change-Id: I83e3829ea2884e4e9243d8a7254dfda8b71c2546
Reviewed-on: https://skia-review.googlesource.com/36541
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
diff --git a/perf/go/clustering2/async.go b/perf/go/clustering2/async.go
index 4fa9eb5..1421975 100644
--- a/perf/go/clustering2/async.go
+++ b/perf/go/clustering2/async.go
@@ -232,7 +232,7 @@
 func (p *ClusterRequestProcess) reportError(err error, message string) {
 	p.mutex.Lock()
 	defer p.mutex.Unlock()
-	sklog.Errorf("ClusterRequest failed: %#v %s: %s", *(p.request), message, err)
+	sklog.Warningf("ClusterRequest failed: %#v %s: %s", *(p.request), message, err)
 	p.message = message
 	p.state = PROCESS_ERROR
 	p.lastUpdate = time.Now()
diff --git a/perf/go/regression/continuous.go b/perf/go/regression/continuous.go
index 9c3f035..c8782d8 100644
--- a/perf/go/regression/continuous.go
+++ b/perf/go/regression/continuous.go
@@ -167,7 +167,7 @@
 					sklog.Infof("Continuous: Clustering at %s for %q", details[0].Message, q)
 					resp, err := clustering2.Run(req, c.git, c.cidl)
 					if err != nil {
-						sklog.Errorf("Failed while clustering %v %s", *req, err)
+						sklog.Warningf("Failed while clustering %v %s", *req, err)
 						continue
 					}
 
@@ -192,7 +192,7 @@
 								sklog.Infof("Found High regression at %s for %q: %v", id.ID(), q, *cl.StepFit)
 								isNew, err := c.store.SetHigh(details[0], key, resp.Frame, cl)
 								if err != nil {
-									sklog.Errorf("Failed to save newly found cluster: %s", err)
+									sklog.Errorf("Failed to save newly found cluster %#v: %s", *req, err)
 									continue
 								}
 								if isNew {