activesupport 3.2.9 + ruby-2.0.0-preview2 fails

gistfile1.txt

[2012-12-03 22:24:54.116] FATAL  NoMethodError (private method `_dump_without_zone' called for 2012-12-03 22:24:52 +0200:Time):
  activesupport (3.2.9) lib/active_support/core_ext/time/marshal.rb:54:in `_dump'
  activesupport (3.2.9) lib/active_support/message_verifier.rb:53:in `dump'
  activesupport (3.2.9) lib/active_support/message_verifier.rb:53:in `generate'
  actionpack (3.2.9) lib/action_dispatch/middleware/cookies.rb:300:in `[]='
  actionpack (3.2.9) lib/action_dispatch/middleware/session/cookie_store.rb:67:in `set_cookie'
  rack (1.4.1) lib/rack/session/abstract/id.rb:330:in `commit_session'
  rack (1.4.1) lib/rack/session/abstract/id.rb:206:in `context'
  rack (1.4.1) lib/rack/session/abstract/id.rb:200:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/cookies.rb:341:in `call'
  activerecord (3.2.9) lib/active_record/query_cache.rb:64:in `call'
  activerecord (3.2.9) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call'
  activesupport (3.2.9) lib/active_support/callbacks.rb:405:in `_run__721292273__call__924301379__callbacks'
  activesupport (3.2.9) lib/active_support/callbacks.rb:405:in `__run_callback'
  activesupport (3.2.9) lib/active_support/callbacks.rb:385:in `_run_call_callbacks'
  activesupport (3.2.9) lib/active_support/callbacks.rb:81:in `run_callbacks'
  actionpack (3.2.9) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/reloader.rb:65:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/remote_ip.rb:31:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  railties (3.2.9) lib/rails/rack/logger.rb:32:in `call_app'
  railties (3.2.9) lib/rails/rack/logger.rb:16:in `block in call'
  activesupport (3.2.9) lib/active_support/tagged_logging.rb:22:in `tagged'
  railties (3.2.9) lib/rails/rack/logger.rb:16:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/request_id.rb:22:in `call'
  rack (1.4.1) lib/rack/methodoverride.rb:21:in `call'
  rack (1.4.1) lib/rack/runtime.rb:17:in `call'
  activesupport (3.2.9) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.1) lib/rack/lock.rb:15:in `call'
  actionpack (3.2.9) lib/action_dispatch/middleware/static.rb:62:in `call'
  railties (3.2.9) lib/rails/engine.rb:479:in `call'
  railties (3.2.9) lib/rails/application.rb:223:in `call'
  rack (1.4.1) lib/rack/content_length.rb:14:in `call'
  railties (3.2.9) lib/rails/rack/log_tailer.rb:17:in `call'
  rack (1.4.1) lib/rack/handler/webrick.rb:59:in `service'
  /Users/aabolts/.rvm/rubies/ruby-2.0.0-preview2/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service'
  /Users/aabolts/.rvm/rubies/ruby-2.0.0-preview2/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run'
  /Users/aabolts/.rvm/rubies/ruby-2.0.0-preview2/lib/ruby/2.0.0/webrick/server.rb:226:in `block in start_thread'


[2012-12-03 22:24:54.132]  INFO    Rendered /Users/aabolts/.rvm/gems/ruby-2.0.0-preview2@crmdata/gems/actionpack-3.2.9/lib/action_dispatch/middleware/templates/rescues/_trace.erb (1.0ms)
[2012-12-03 22:24:54.135]  INFO    Rendered /Users/aabolts/.rvm/gems/ruby-2.0.0-preview2@crmdata/gems/actionpack-3.2.9/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (0.9ms)
[2012-12-03 22:24:54.135]  INFO    Rendered /Users/aabolts/.rvm/gems/ruby-2.0.0-preview2@crmdata/gems/actionpack-3.2.9/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (8.7ms)