fix lint errors

chain/stmgr/forks.go

@@ -101,7 +101,7 @@ func UpgradeFaucetBurnRecovery(ctx context.Context, sm *StateManager, tree types
 		lbtree = state
 		return nil
 	}); err != nil {
-		return xerrors.Errorf("loading state tree failed: %w")
+		return xerrors.Errorf("loading state tree failed: %w", err)
 	}
 
 	ReserveAddress, err := address.NewFromString("t090")

cmd/lotus-shed/balances.go

@@ -224,6 +224,9 @@ var chainBalanceStateCmd = &cli.Command{
 			infos = append(infos, ai)
 			return nil
 		})
+		if err != nil {
+			return xerrors.Errorf("failed to loop over actors: %w", err)
+		}
 
 		if minerInfo {
 			fmt.Printf("Address,Balance,Type,Sectors,Worker,Owner,InitialPledge,Locked,PreCommits\n")