diff --git a/cache/rebuilder.go b/cache/rebuilder.go
index 479ab190..22d544b3 100644
--- a/cache/rebuilder.go
+++ b/cache/rebuilder.go
@@ -93,7 +93,7 @@ func (r rebuilder) Rebuild(srcs []string) error {
 	wg.Wait()
 
 	if errs.Err() != nil {
-		return fmt.Errorf("rebuild failed, %w", errs)
+		level.Warn(r.logger).Log("msg", "ignore archival, ", errs.Err())
 	}
 
 	level.Info(r.logger).Log("msg", "cache built", "took", time.Since(now))
@@ -140,7 +140,7 @@ func (r rebuilder) rebuild(src, dst string) (err error) {
 	tr := io.TeeReader(pr, sw)
 
 	if err := r.s.Put(dst, tr); err != nil {
-		err = fmt.Errorf("upload file, pipe reader failed, %w", err)
+		err = fmt.Errorf("failed to upload file to cache storage, %w", err)
 		if err := pr.CloseWithError(err); err != nil {
 			level.Error(r.logger).Log("msg", "pr close", "err", err)
 		}
diff --git a/cache/restorer.go b/cache/restorer.go
index 85458351..03e93205 100644
--- a/cache/restorer.go
+++ b/cache/restorer.go
@@ -124,7 +124,7 @@ func (r restorer) restore(src, dst string) (err error) {
 
 	written, err := r.a.Extract(dst, pr)
 	if err != nil {
-		err = fmt.Errorf("extract files from downloaded archive, pipe reader failed, %w", err)
+		err = fmt.Errorf("failed to extract files from downloaded archive, %w", err)
 		if err := pr.CloseWithError(err); err != nil {
 			level.Error(r.logger).Log("msg", "pr close", "err", err)
 		}