fix bug with Create() on multi-balancer + fix linter issue

Author: asmyasnikov

CHANGELOG.md

@@ -2,6 +2,7 @@
 * Improved error messages
 * Defended `cluster.balancer` with `sync.RWMutex` on `cluster.Insert`, `cluster.Update`, `cluster.Remove` and `cluster.Get`
 * Excluded `Close` and `Park` methods from `conn.Conn` interface
+* Fixed bug with `Create()` on multi-balancer 
 
 ## 3.13.0
 * Refactored `Connection` interface

internal/balancer/multi/multi.go

@@ -24,9 +24,9 @@ type multi struct {
 }
 
 func (m *multi) Create() balancer.Balancer {
-	bb := m.balancer
-	for i := range bb {
-		bb[i] = bb[i].(balancer.Creator).Create()
+	bb := make([]balancer.Balancer, len(m.balancer))
+	for i, b := range m.balancer {
+		bb[i] = b.(balancer.Creator).Create()
 	}
 	return &multi{
 		balancer: bb,

log/scripting.go

@@ -7,6 +7,7 @@ import (
 )
 
 func Scripting(log Logger, details trace.Details) (t trace.Scripting) {
+	// nolint:nestif
 	if details&trace.ScriptingEvents != 0 {
 		log = log.WithName(`scripting`)
 		t.OnExecute = func(info trace.ExecuteStartInfo) func(trace.ExecuteDoneInfo) {