postgresql data transfer from 9.3 to 9.4 - Mailing list pgsql-bugs

We face a question about migrating postgresql from 9.3 to 9.4. Because our original postgresql is 9.3. And we use dump command to dump all record as shown as below:

At the same time , we update postgresql from 9.3 to .9.4  And then remove 9.3 postgresql. Finally we use command as listed as below to import all record to 9.4 postgresql.

But at the transfer process, it showed the error message as shown as the attachment. How can we normally transfer 9.3 records to 9.4 postgresql in the same server? Thanks for your kindly assistance.

Best Regards, Anderson Hsu