Error after deployment at Heroku

heroku.log

2012-03-11T21:19:08+00:00 app[web.1]: app/templates/test/unit/.empty_directory", "lib/rails/generators/rails/generator/templates/templates/.empty_directory", "lib/rails/generators/rails/plugin_new/templates/app/mailers/.empty_directory", "lib/rails/generators/rails/plugin_new/templates/app/models/.empty_directory"]
2012-03-11T21:19:08+00:00 app[web.1]:   s.required_ruby_version = Gem::Requirement.new(">= 1.8.7")
2012-03-11T21:19:08+00:00 app[web.1]:   s.rubygems_version = %q{1.3.7}
2012-03-11T21:19:08+00:00 app[web.1]: 
2012-03-11T21:19:08+00:00 app[web.1]:   s.summary = %q{Tools for creating, working with, and running Rails applications.}
2012-03-11T21:19:08+00:00 app[web.1]:   if s.respond_to? :specification_version then
2012-03-11T21:19:08+00:00 app[web.1]:     current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
2012-03-11T21:19:08+00:00 app[web.1]:     s.specification_version = 3
2012-03-11T21:19:08+00:00 app[web.1]: 
2012-03-11T21:19:08+00:00 app[web.1]:     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<rake>, [">= 0.8.7"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<thor>, ["~> 0.14.6"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<rdoc>, ["~> 3.4"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<rack-ssl>, ["~> 1.3.2"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<activesupport>, ["#<Syck::DefaultKey:0x00000008d71600> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<actionpack>, ["#<Syck::DefaultKey:0x00000008d6fdf0> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:     else
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<rake>, [">= 0.8.7"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<thor>, ["~> 0.14.6"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<rack-ssl>, ["~> 1.3.2"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<rdoc>, ["~> 3.4"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<activesupport>, ["#<Syck::DefaultKey:0x00000008d71600> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<actionpack>, ["#<Syck::DefaultKey:0x00000008d6fdf0> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:     end
2012-03-11T21:19:08+00:00 app[web.1]:   else
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<rake>, [">= 0.8.7"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<rack-ssl>, ["~> 1.3.2"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<thor>, ["~> 0.14.6"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<rdoc>, ["~> 3.4"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<activesupport>, ["#<Syck::DefaultKey:0x00000008d71600> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:   end
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<actionpack>, ["#<Syck::DefaultKey:0x00000008d6fdf0> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]: end
2012-03-11T21:19:08+00:00 app[web.1]: WARNING:  #<ArgumentError: Illformed requirement ["#<Syck::DefaultKey:0x00000008c14c58> 3.2.0"]>
2012-03-11T21:19:08+00:00 app[web.1]: WARNING:  Invalid .gemspec format in '/app/.bundle/gems/ruby/1.9.1/specifications/railties-3.2.0.gemspec'
2012-03-11T21:19:08+00:00 app[web.1]: # -*- encoding: utf-8 -*-
2012-03-11T21:19:08+00:00 app[web.1]: 
2012-03-11T21:19:08+00:00 app[web.1]:   s.name = %q{activerecord}
2012-03-11T21:19:08+00:00 app[web.1]: Gem::Specification.new do |s|
2012-03-11T21:19:08+00:00 app[web.1]:   s.version = "3.2.0"
2012-03-11T21:19:08+00:00 app[web.1]: 
2012-03-11T21:19:08+00:00 app[web.1]:   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
2012-03-11T21:19:08+00:00 app[web.1]:   s.authors = ["David Heinemeier Hansson"]
2012-03-11T21:19:08+00:00 app[web.1]:   s.date = %q{2012-01-20}
2012-03-11T21:19:08+00:00 app[web.1]:   s.email = %q{[email protected]}
2012-03-11T21:19:08+00:00 app[web.1]:   s.description = %q{Databases on Rails. Build a persistent domain model by mapping database tables to Ruby classes. Strong conventions for associations, validations, aggregations, migrations, and testing come baked-in.}
2012-03-11T21:19:08+00:00 app[web.1]:   s.extra_rdoc_files = ["README.rdoc"]
2012-03-11T21:19:08+00:00 app[web.1]:   s.files = ["CHANGELOG.md", "MIT-LICENSE", "README.rdoc", "examples/associations.png", "examples/performance.rb", "examples/simple.rb", "lib/active_record/aggregations.rb", "lib/active_record/associations/alias_tracker.rb", "lib/active_record/associations/association.rb", "lib/active_record/associations/association_scope.rb", "lib/active_record/associations/belongs_to_association.rb", "lib/active_record/associations/belongs_to_polymorphic_association.rb", "lib/active_record/associations/builder/association.rb", "lib/active_record/associations/builder/belongs_to.rb", "lib/active_record/associations/builder/collection_association.rb", "lib/active_record/associations/builder/has_and_belongs_to_many.rb", "lib/active_record/associations/builder/has_many.rb", "lib/active_record/associations/builder/has_one.rb", "lib/active_record/associations/builder/singular_association.rb", "lib/active_record/associations/collection_association.rb", "lib/active_record/associations/collection_proxy.rb", "lib/active_record/associ
2012-03-11T21:19:08+00:00 app[web.1]: ations/has_and_belongs_to_many_association.rb", "lib/active_record/associations/has_many_association.rb", "lib/active_record/associations/has_many_through_association.rb", "lib/active_record/associations/has_one_association.rb", "lib/active_record/associations/has_one_through_association.rb", "lib/active_record/associations/join_dependency/join_association.rb", "lib/active_record/associations/join_dependency/join_base.rb", "lib/active_record/associations/join_dependency/join_part.rb", "lib/active_record/associations/join_dependency.rb", "lib/active_record/associations/join_helper.rb", "lib/active_record/associations/preloader/association.rb", "lib/active_record/associations/preloader/belongs_to.rb", "lib/active_record/associations/preloader/collection_association.rb", "lib/active_record/associations/preloader/has_and_belongs_to_many.rb", "lib/active_record/associations/preloader/has_many.rb", "lib/active_record/associations/preloader/has_many_through.rb", "lib/active_record/associations/preloader/has_one.rb"
2012-03-11T21:19:08+00:00 app[web.1]: , "lib/active_record/associations/preloader/has_one_through.rb", "lib/active_record/associations/preloader/singular_association.rb", "lib/active_record/associations/preloader/through_association.rb", "lib/active_record/associations/preloader.rb", "lib/active_record/associations/singular_association.rb", "lib/active_record/associations/through_association.rb", "lib/active_record/associations.rb", "lib/active_record/attribute_assignment.rb", "lib/active_record/attribute_methods/before_type_cast.rb", "lib/active_record/attribute_methods/deprecated_underscore_read.rb", "lib/active_record/attribute_methods/dirty.rb", "lib/active_record/attribute_methods/primary_key.rb", "lib/active_record/attribute_methods/query.rb", "lib/active_record/attribute_methods/read.rb", "lib/active_record/attribute_methods/serialization.rb", "lib/active_record/attribute_methods/time_zone_conversion.rb", "lib/active_record/attribute_methods/write.rb", "lib/active_record/attribute_methods.rb", "lib/active_record/autosave_association.rb", 
2012-03-11T21:19:08+00:00 app[web.1]: "lib/active_record/base.rb", "lib/active_record/callbacks.rb", "lib/active_record/coders/yaml_column.rb", "lib/active_record/connection_adapters/abstract/connection_pool.rb", "lib/active_record/connection_adapters/abstract/connection_specification.rb", "lib/active_record/connection_adapters/abstract/database_limits.rb", "lib/active_record/connection_adapters/abstract/database_statements.rb", "lib/active_record/connection_adapters/abstract/query_cache.rb", "lib/active_record/connection_adapters/abstract/quoting.rb", "lib/active_record/connection_adapters/abstract/schema_definitions.rb", "lib/active_record/connection_adapters/abstract/schema_statements.rb", "lib/active_record/connection_adapters/abstract_adapter.rb", "lib/active_record/connection_adapters/abstract_mysql_adapter.rb", "lib/active_record/connection_adapters/column.rb", "lib/active_record/connection_adapters/mysql2_adapter.rb", "lib/active_record/connection_adapters/mysql_adapter.rb", "lib/active_record/connection_adapters/postgresql_adapter.rb", 
2012-03-11T21:19:08+00:00 app[web.1]: "lib/active_record/connection_adapters/schema_cache.rb", "lib/active_record/connection_adapters/sqlite3_adapter.rb", "lib/active_record/connection_adapters/sqlite_adapter.rb", "lib/active_record/connection_adapters/statement_pool.rb", "lib/active_record/counter_cache.rb", "lib/active_record/dynamic_finder_match.rb", "lib/active_record/dynamic_matchers.rb", "lib/active_record/dynamic_scope_match.rb", "lib/active_record/errors.rb", "lib/active_record/explain.rb", "lib/active_record/explain_subscriber.rb", "lib/active_record/fixtures/file.rb", "lib/active_record/fixtures.rb", "lib/active_record/identity_map.rb", "lib/active_record/inheritance.rb", "lib/active_record/integration.rb", "lib/active_record/locale/en.yml", "lib/active_record/locking/optimistic.rb", "lib/active_record/locking/pessimistic.rb", "lib/active_record/log_subscriber.rb", "lib/active_record/migration/command_recorder.rb", "lib/active_record/migration.rb", "lib/active_record/model_schema.rb", "lib/active_record/nested_attributes.rb", "lib/acti
2012-03-11T21:19:08+00:00 app[web.1]: ve_record/observer.rb", "lib/active_record/persistence.rb", "lib/active_record/query_cache.rb", "lib/active_record/querying.rb", "lib/active_record/railtie.rb", "lib/active_record/railties/console_sandbox.rb", "lib/active_record/railties/controller_runtime.rb", "lib/active_record/railties/databases.rake", "lib/active_record/railties/jdbcmysql_error.rb", "lib/active_record/readonly_attributes.rb", "lib/active_record/reflection.rb", "lib/active_record/relation/batches.rb", "lib/active_record/relation/calculations.rb", "lib/active_record/relation/delegation.rb", "lib/active_record/relation/finder_methods.rb", "lib/active_record/relation/predicate_builder.rb", "lib/active_record/relation/query_methods.rb", "lib/active_record/relation/spawn_methods.rb", "lib/active_record/relation.rb", "lib/active_record/result.rb", "lib/active_record/sanitization.rb", "lib/active_record/schema.rb", "lib/active_record/schema_dumper.rb", "lib/active_record/scoping/default.rb", "lib/active_record/scoping/named.rb", "lib/active_reco
2012-03-11T21:19:08+00:00 app[web.1]: /rails/generators/active_record/observer/templates/observer.rb", "lib/rails/generators/active_record/session_migration/session_migration_generator.rb", "lib/rails/generators/active_record/session_migration/templates/migration.rb", "lib/rails/generators/active_record.rb"]
2012-03-11T21:19:08+00:00 app[web.1]:   s.homepage = %q{http://www.rubyonrails.org}
2012-03-11T21:19:08+00:00 app[web.1]:   s.rdoc_options = ["--main", "README.rdoc"]
2012-03-11T21:19:08+00:00 app[web.1]: rd/scoping.rb", "lib/active_record/serialization.rb", "lib/active_record/serializers/xml_serializer.rb", "lib/active_record/session_store.rb", "lib/active_record/store.rb", "lib/active_record/test_case.rb", "lib/active_record/timestamp.rb", "lib/active_record/transactions.rb", "lib/active_record/translation.rb", "lib/active_record/validations/associated.rb", "lib/active_record/validations/uniqueness.rb", "lib/active_record/validations.rb", "lib/active_record/version.rb", "lib/active_record.rb", "lib/rails/generators/active_record/migration/migration_generator.rb", "lib/rails/generators/active_record/migration/templates/migration.rb", "lib/rails/generators/active_record/migration.rb", "lib/rails/generators/active_record/model/model_generator.rb", "lib/rails/generators/active_record/model/templates/migration.rb", "lib/rails/generators/active_record/model/templates/model.rb", "lib/rails/generators/active_record/model/templates/module.rb", "lib/rails/generators/active_record/observer/observer_generator.rb", "lib
2012-03-11T21:19:08+00:00 app[web.1]:   s.require_paths = ["lib"]
2012-03-11T21:19:08+00:00 app[web.1]:   s.required_ruby_version = Gem::Requirement.new(">= 1.8.7")
2012-03-11T21:19:08+00:00 app[web.1]:   s.rubygems_version = %q{1.3.7}
2012-03-11T21:19:08+00:00 app[web.1]:   s.summary = %q{Object-relational mapper framework (part of Rails).}
2012-03-11T21:19:08+00:00 app[web.1]: 
2012-03-11T21:19:08+00:00 app[web.1]:   if s.respond_to? :specification_version then
2012-03-11T21:19:08+00:00 app[web.1]:     current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
2012-03-11T21:19:08+00:00 app[web.1]:     s.specification_version = 3
2012-03-11T21:19:08+00:00 app[web.1]: 
2012-03-11T21:19:08+00:00 app[web.1]:     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<activesupport>, ["#<Syck::DefaultKey:0x00000008c14c58> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<activemodel>, ["#<Syck::DefaultKey:0x00000008c13560> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<arel>, ["~> 3.0.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_runtime_dependency(%q<tzinfo>, ["~> 0.3.29"])
2012-03-11T21:19:08+00:00 app[web.1]:     else
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<activesupport>, ["#<Syck::DefaultKey:0x00000008c14c58> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<activemodel>, ["#<Syck::DefaultKey:0x00000008c13560> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<arel>, ["~> 3.0.0"])
2012-03-11T21:19:08+00:00 app[web.1]:     end
2012-03-11T21:19:08+00:00 app[web.1]:       s.add_dependency(%q<tzinfo>, ["~> 0.3.29"])
2012-03-11T21:19:08+00:00 app[web.1]:   else
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<activesupport>, ["#<Syck::DefaultKey:0x00000008c14c58> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<activemodel>, ["#<Syck::DefaultKey:0x00000008c13560> 3.2.0"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<arel>, ["~> 3.0.0"])
2012-03-11T21:19:08+00:00 app[web.1]:     s.add_dependency(%q<tzinfo>, ["~> 0.3.29"])
2012-03-11T21:19:08+00:00 app[web.1]:   end
2012-03-11T21:19:08+00:00 app[web.1]: end
2012-03-11T21:19:08+00:00 app[web.1]: WARNING:  Invalid .gemspec format in '/app/.bundle/gems/ruby/1.9.1/specifications/activerecord-3.2.0.gemspec'
2012-03-11T21:19:08+00:00 app[web.1]: Could not find activemodel-3.2.0 in any of the sources
2012-03-11T21:19:08+00:00 app[web.1]: !! Unexpected error while processing request: exit
2012-03-11T21:19:08+00:00 heroku[router]: Error H13 (Connection closed without response) -> GET educon.heroku.com/robots.txt dyno=web.1 queue= wait= service= status=503 bytes=
2012-03-11T21:19:08+00:00 heroku[nginx]: 66.249.72.214 - - [11/Mar/2012:21:19:08 +0000] "GET /robots.txt HTTP/1.1" 503 607 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" educon.heroku.com