Rake migrate error for setup yutongo app

gistfile1.txt

krishna@ubuntu:~/oDesk/yutongo$ rake db:setup
rake/gempackagetask is deprecated.  Use rubygems/package_task instead
WARNING: 'require 'rake/rdoctask'' is deprecated.  Please use 'require 'rdoc/task' (in RDoc 2.4.2+)' instead.
    at /home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:240:in `require'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/hoe-1.1.7/lib/hoe.rb:95: Use RbConfig instead of obsolete and deprecated Config.
yutongo_test already exists
[RailsAdmin] RailsAdmin initialization disabled by default. Pass SKIP_RAILS_ADMIN_INITIALIZER=false if you need it.
-- create_table("accounts", {:force=>true})
   -> 0.2307s
-- add_index("accounts", ["subdomain"], {:name=>"index_accounts_on_subdomain", :unique=>true})
   -> 0.3145s
-- create_table("admin_users", {:force=>true})
   -> 0.2764s
-- add_index("admin_users", ["email"], {:name=>"index_admin_users_on_email", :unique=>true})
   -> 0.2981s
-- create_table("attachments", {:force=>true})
   -> 0.1877s
-- create_table("authentications", {:force=>true})
   -> 0.2098s
-- create_table("badges", {:force=>true})
   -> 0.2100s
-- create_table("batch_payment_notifications", {:force=>true})
   -> 0.2097s
-- create_table("batch_payments", {:force=>true})
   -> 0.2042s
-- create_table("comments", {:force=>true})
   -> 0.2088s
-- add_index("comments", ["commentable_id"], {:name=>"index_comments_on_commentable_id"})
   -> 0.2848s
-- add_index("comments", ["user_id"], {:name=>"index_comments_on_user_id"})
   -> 0.2877s
-- create_table("communications", {:force=>true})
   -> 0.2094s
-- create_table("conversations", {:force=>true})
   -> 0.1988s
-- create_table("criterias", {:force=>true})
   -> 0.4931s
-- create_table("disputes", {:force=>true})
   -> 0.2352s
-- create_table("ideas", {:force=>true})
   -> 0.1939s
-- create_table("ideation_processes", {:force=>true})
   -> 0.1930s
-- add_index("ideation_processes", ["user_id"], {:name=>"index_ideation_processes_on_user_id"})
   -> 0.3098s
-- create_table("ideation_tasks", {:force=>true})
   -> 0.2452s
-- create_table("images", {:force=>true})
   -> 0.1760s
-- create_table("industries", {:force=>true})
   -> 0.1657s
-- create_table("innovators", {:force=>true})
   -> 0.1880s
-- create_table("invitations", {:force=>true})
   -> 0.1991s
-- create_table("languages", {:force=>true})
   -> 0.2062s
-- create_table("memberships", {:force=>true})
   -> 0.1805s
-- create_table("notifications", {:force=>true})
   -> 0.1934s
-- add_index("notifications", ["conversation_id"], {:name=>"index_notifications_on_conversation_id"})
   -> 0.3155s
-- create_table("orders", {:force=>true})
   -> 0.2204s
-- create_table("paid_notifications", {:force=>true})
   -> 0.1878s
-- create_table("payment_notifications", {:force=>true})
   -> 0.1893s
-- create_table("payments", {:force=>true})
   -> 0.1988s
-- create_table("pdf_files", {:force=>true})
   -> 0.1990s
-- create_table("plans", {:force=>true})
   -> 0.1989s
-- create_table("preapprove_payments", {:force=>true})
   -> 0.2062s
-- create_table("preapproved_payment_notifications", {:force=>true})
   -> 0.2089s
-- create_table("process_steps", {:force=>true})
   -> 0.1980s
-- create_table("projects", {:force=>true})
   -> 0.2266s
-- add_index("projects", ["account_id"], {:name=>"index_projects_on_account_id"})
   -> 0.3211s
-- create_table("questions", {:force=>true})
   -> 0.1893s
-- create_table("rails_admin_histories", {:force=>true})
   -> 0.1760s
-- add_index("rails_admin_histories", ["item", "table", "month", "year"], {:name=>"index_rails_admin_histories"})
   -> 0.3210s
-- create_table("rates", {:force=>true})
   -> 0.1987s
-- add_index("rates", ["rateable_id", "rateable_type"], {:name=>"index_rates_on_rateable_id_and_rateable_type"})
   -> 0.2943s
-- add_index("rates", ["rater_id"], {:name=>"index_rates_on_rater_id"})
   -> 0.7044s
-- create_table("receipts", {:force=>true})
   -> 0.3703s
-- add_index("receipts", ["notification_id"], {:name=>"index_receipts_on_notification_id"})
   -> 0.3117s
-- create_table("reported_contents", {:force=>true})
   -> 0.1754s
-- create_table("sessions", {:force=>true})
   -> 0.1769s
-- add_index("sessions", ["session_id"], {:name=>"index_sessions_on_session_id"})
   -> 0.3110s
-- add_index("sessions", ["updated_at"], {:name=>"index_sessions_on_updated_at"})
   -> 0.3156s
-- create_table("skill_users", {:force=>true})
   -> 0.1979s
-- create_table("skills", {:force=>true})
   -> 0.1978s
-- create_table("subscriptions", {:force=>true})
   -> 0.2172s
-- create_table("taggings", {:force=>true})
   -> 0.1785s
-- add_index("taggings", ["tag_id"], {:name=>"index_taggings_on_tag_id"})
   -> 0.2756s
-- add_index("taggings", ["taggable_id", "taggable_type"], {:name=>"index_taggings_on_taggable_id_and_taggable_type"})
   -> 0.2982s
-- create_table("tags", {:force=>true})
   -> 0.2109s
-- create_table("tools", {:force=>true})
   -> 0.2166s
-- create_table("user_demographics", {:force=>true})
   -> 0.2090s
-- create_table("users", {:force=>true})
   -> 0.2089s
-- create_table("users_badges", {:force=>true})
   -> 0.1871s
-- add_foreign_key("notifications", "conversations", {:name=>"notifications_on_conversation_id"})
   -> 0.4166s
-- add_foreign_key("receipts", "notifications", {:name=>"receipts_on_notification_id"})
   -> 0.3539s
-- initialize_schema_migrations_table()
   -> 0.4552s
-- assume_migrated_upto_version(20130214075819, ["/home/krishna/oDesk/yutongo/db/migrate"])
   -> 9.5479s
rake aborted!
Mysql2::Error: Unknown column 'accounts.deleted_at' in 'where clause': SELECT  `accounts`.* FROM `accounts`  WHERE `accounts`.`subdomain` = 'staging' AND (accounts.deleted_at IS NULL) LIMIT 1
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/mysql2_adapter.rb:687:in `query'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/mysql2_adapter.rb:687:in `block in exec_query'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract_adapter.rb:244:in `block in log'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract_adapter.rb:239:in `log'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/mysql2_adapter.rb:685:in `exec_query'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/mysql2_adapter.rb:679:in `select'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract/database_statements.rb:18:in `select_all'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/connection_adapters/abstract/query_cache.rb:63:in `select_all'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/base.rb:470:in `find_by_sql'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/relation.rb:111:in `to_a'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/relation.rb:129:in `to_a'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:376:in `find_first'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:122:in `first'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/relation/finder_methods.rb:263:in `find_by_attributes'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/base.rb:1063:in `method_missing'
/home/krishna/oDesk/yutongo/db/seeds.rb:19:in `<top (required)>'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:234:in `load'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:234:in `block in load'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `block in load_dependency'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:640:in `new_constants_in'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:223:in `load_dependency'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.3/lib/active_support/dependencies.rb:234:in `load'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.3/lib/rails/engine.rb:488:in `load_seed'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.1.3/lib/active_record/railties/databases.rake:301:in `block (2 levels) in <top (required)>'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval'
/home/krishna/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `<main>'
Tasks: TOP => db:setup => db:seed
(See full trace by running task with --trace)