imap-backup single produces `get_tagged_response': end of file reached (EOFError)

[kalleyne]

Using imap-backup version 15.0.2 on Ubuntu 22.04.5 Server LTS back in January:

imap-backup single backup --email [email protected] --password redacted_password --server secure.emailsrvr.com --mirror --multi-fetch-size 5
I, [2025-01-20T19:35:08.483311 #3885]  INFO -- : Running backup of account: [email protected]
I, [2025-01-20T19:35:17.167632 #3885]  INFO -- : [INBOX] 28 new messages
/var/lib/gems/3.0.0/gems/net-imap-0.4.10/lib/net/imap.rb:2694:in `get_tagged_response': end of file reached (EOFError)
        from /var/lib/gems/3.0.0/gems/net-imap-0.4.10/lib/net/imap.rb:2794:in `block in send_command'
        from /usr/lib/ruby/3.0.0/monitor.rb:202:in `synchronize'
        from /usr/lib/ruby/3.0.0/monitor.rb:202:in `mon_synchronize'
        from /var/lib/gems/3.0.0/gems/net-imap-0.4.10/lib/net/imap.rb:2776:in `send_command'
        from /var/lib/gems/3.0.0/gems/net-imap-0.4.10/lib/net/imap.rb:2833:in `block in search_internal'
        from /usr/lib/ruby/3.0.0/monitor.rb:202:in `synchronize'
        from /usr/lib/ruby/3.0.0/monitor.rb:202:in `mon_synchronize'
        from /var/lib/gems/3.0.0/gems/net-imap-0.4.10/lib/net/imap.rb:2829:in `search_internal'
        from /var/lib/gems/3.0.0/gems/net-imap-0.4.10/lib/net/imap.rb:2002:in `uid_search'
        from /usr/lib/ruby/3.0.0/forwardable.rb:238:in `uid_search'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/client/automatic_login_wrapper.rb:28:in `method_missing'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/folder.rb:73:in `uids'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/local_only_message_deleter.rb:18:in `run'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/folder_backup.rb:38:in `run'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/backup.rb:35:in `block in run'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/backup_folders.rb:42:in `block in each'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/backup_folders.rb:42:in `each'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/backup_folders.rb:42:in `each'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/account/backup.rb:34:in `run'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/cli/single/backup.rb:38:in `run'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/cli/single.rb:183:in `backup'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor/command.rb:28:in `run'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor/invocation.rb:127:in `invoke_command'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor.rb:527:in `dispatch'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor/invocation.rb:116:in `invoke'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor.rb:338:in `block in subcommand'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor/command.rb:28:in `run'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor/invocation.rb:127:in `invoke_command'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor.rb:527:in `dispatch'
        from /var/lib/gems/3.0.0/gems/thor-1.3.1/lib/thor/base.rb:584:in `start'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/cli.rb:69:in `start'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/bin/imap-backup:16:in `block in <top (required)>'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/lib/imap/backup/logger.rb:58:in `sanitize_stderr'
        from /var/lib/gems/3.0.0/gems/imap-backup-15.0.2/bin/imap-backup:15:in `<top (required)>'
        from /usr/local/bin/imap-backup:25:in `load'
        from /usr/local/bin/imap-backup:25:in `<main>'