Backup files not found at local disk

Discourse version: 2.6.0.beta6

I did tried manual backup in admin panel

[2020-11-30 04:54:58] 'bob' has started the backup!
[2020-11-30 04:54:58] Marking backup as running...
[2020-11-30 04:54:58] Making sure '/var/www/discourse/tmp/backups/default/2020-11-30-045458' exists...
[2020-11-30 04:54:58] Making sure '/var/www/discourse/public/backups/default' exists...
[2020-11-30 04:54:58] Updating metadata...
[2020-11-30 04:54:58] Dumping the public schema of the database...
[2020-11-30 04:54:58] pg_dump: last built-in OID is 16383
[2020-11-30 04:54:58] pg_dump: reading extensions
[2020-11-30 04:54:58] pg_dump: identifying extension members
[2020-11-30 04:54:58] pg_dump: reading schemas
[2020-11-30 04:54:58] pg_dump: reading user-defined tables
[2020-11-30 04:55:23] pg_dump: processing data for table "public.post_timings"
[2020-11-30 04:55:23] pg_dump: dumping contents of table "public.post_timings"
[2020-11-30 04:55:23] pg_dump: processing data for table "public.post_uploads"
[2020-11-30 04:55:24] pg_dump: dumping contents of table "public.post_uploads"
[2020-11-30 04:55:24] pg_dump: processing data for table "public.posts"
[2020-11-30 04:55:24] pg_dump: dumping contents of table "public.posts"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.published_pages"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.published_pages"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.push_subscriptions"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.push_subscriptions"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.quoted_posts"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.quoted_posts"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.remote_themes"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.remote_themes"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.reviewable_claimed_topics"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.reviewable_claimed_topics"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.reviewable_histories"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.reviewable_histories"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.reviewable_scores"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.reviewable_scores"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.reviewables"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.reviewables"
[2020-11-30 04:55:30] pg_dump: processing data for table "public.scheduler_stats"
[2020-11-30 04:55:30] pg_dump: dumping contents of table "public.scheduler_stats"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.schema_migration_details"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.schema_migration_details"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.schema_migrations"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.schema_migrations"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.screened_emails"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.screened_emails"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.screened_ip_addresses"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.screened_ip_addresses"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.screened_urls"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.screened_urls"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.search_logs"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.search_logs"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.shared_drafts"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.shared_drafts"
[2020-11-30 04:55:31] pg_dump: processing data for table "public.single_sign_on_records"
[2020-11-30 04:55:31] pg_dump: dumping contents of table "public.single_sign_on_records"
[2020-11-30 04:55:32] pg_dump: processing data for table "public.site_settings"
[2020-11-30 04:55:32] pg_dump: dumping contents of table "public.site_settings"
[2020-11-30 04:55:32] pg_dump: processing data for table "public.skipped_email_logs"
[2020-11-30 04:55:32] pg_dump: dumping contents of table "public.skipped_email_logs"
[2020-11-30 04:55:32] pg_dump: processing data for table "public.stylesheet_cache"
[2020-11-30 04:55:32] pg_dump: dumping contents of table "public.stylesheet_cache"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tag_group_memberships"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tag_group_memberships"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tag_group_permissions"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tag_group_permissions"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tag_groups"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tag_groups"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tag_search_data"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tag_search_data"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tag_users"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tag_users"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tags"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tags"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.tags_web_hooks"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.tags_web_hooks"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.theme_fields"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.theme_fields"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.theme_modifier_sets"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.theme_modifier_sets"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.theme_settings"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.theme_settings"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.theme_translation_overrides"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.theme_translation_overrides"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.themes"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.themes"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.top_topics"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.top_topics"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_allowed_groups"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_allowed_groups"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_allowed_users"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_allowed_users"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_custom_fields"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_custom_fields"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_embeds"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_embeds"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_groups"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_groups"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_invites"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_invites"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_link_clicks"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_link_clicks"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_links"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_links"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_search_data"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_search_data"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_tags"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_tags"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_thumbnails"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_thumbnails"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_timers"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_timers"
[2020-11-30 04:55:43] pg_dump: processing data for table "public.topic_users"
[2020-11-30 04:55:43] pg_dump: dumping contents of table "public.topic_users"
[2020-11-30 04:55:44] pg_dump: processing data for table "public.topic_views"
[2020-11-30 04:55:44] pg_dump: dumping contents of table "public.topic_views"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.topics"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.topics"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.translation_overrides"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.translation_overrides"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.unsubscribe_keys"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.unsubscribe_keys"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.uploads"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.uploads"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_actions"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_actions"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_api_key_scopes"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_api_key_scopes"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_api_keys"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_api_keys"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_archived_messages"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_archived_messages"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_associated_accounts"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_associated_accounts"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_auth_token_logs"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_auth_token_logs"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_auth_tokens"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_auth_tokens"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_avatars"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_avatars"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_badges"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_badges"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_custom_fields"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_custom_fields"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_emails"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_emails"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_exports"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_exports"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_field_options"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_field_options"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_fields"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_fields"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_histories"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_histories"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_ip_address_histories"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_ip_address_histories"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_open_ids"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_open_ids"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_options"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_options"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_profile_views"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_profile_views"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_profiles"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_profiles"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_search_data"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_search_data"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_second_factors"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_second_factors"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_security_keys"
[2020-11-30 04:55:45] pg_dump: dumping contents of table "public.user_security_keys"
[2020-11-30 04:55:45] pg_dump: processing data for table "public.user_stats"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.user_stats"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.user_uploads"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.user_uploads"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.user_visits"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.user_visits"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.user_warnings"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.user_warnings"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.users"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.users"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.watched_words"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.watched_words"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.web_crawler_requests"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.web_crawler_requests"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.web_hook_event_types"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.web_hook_event_types"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.web_hook_event_types_hooks"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.web_hook_event_types_hooks"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.web_hook_events"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.web_hook_events"
[2020-11-30 04:55:46] pg_dump: processing data for table "public.web_hooks"
[2020-11-30 04:55:46] pg_dump: dumping contents of table "public.web_hooks"
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET allowed_pm_users_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET anonymous_users_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET api_key_scopes_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET api_keys_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET application_requests_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET backup_draft_posts_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET backup_draft_topics_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET backup_metadata_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET badge_groupings_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET badge_types_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET badges_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET bookmarks_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET categories_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_custom_fields_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_featured_topics_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_groups_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_tag_groups_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_tag_stats_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_tags_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET category_users_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET child_themes_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET color_scheme_colors_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET color_schemes_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET custom_emojis_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET developers_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET directory_items_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET draft_sequences_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET drafts_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET email_change_requests_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET email_logs_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET email_tokens_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET embeddable_hosts_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET group_archived_messages_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET group_category_notification_defaults_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET group_custom_fields_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET group_histories_id_seq
[2020-11-30 04:55:46] pg_dump: executing SEQUENCE SET group_mentions_id_seq
[2020-11-30 04:55:46] Finalizing backup...
[2020-11-30 04:55:46] Creating archive: bob-forum-2020-11-30-045458-v20201116132948.tar.gz
[2020-11-30 04:55:46] Making sure archive does not already exist...
[2020-11-30 04:55:46] Creating empty archive...
[2020-11-30 04:55:46] Archiving data dump...
[2020-11-30 04:55:47] Archiving uploads...
[2020-11-30 04:55:50] Removing tmp '/var/www/discourse/tmp/backups/default/2020-11-30-045458' directory...
[2020-11-30 04:55:50] Gzipping archive, this may take a while...
[2020-11-30 04:56:13] Executing the after_create_hook for the backup...
[2020-11-30 04:56:13] Deleting old backups...
[2020-11-30 04:56:13] Cleaning stuff up...
[2020-11-30 04:56:13] Removing '.tar' leftovers...
[2020-11-30 04:56:13] Marking backup as finished...
[2020-11-30 04:56:13] Refreshing disk stats...
[2020-11-30 04:56:13] Notifying 'bob' of the end of the backup...
[2020-11-30 04:56:32] Finished!

Backup file appears at Backup section in admin panel.

Despite manual or automatic, there were no backup files stored in /var/discourse/shared/standalone/backups/default/. Tried find command in terminal, still not found.

My settings: