Ruby 推送到Heroku时出错，Rails3 beta4

我在使用rails 3 beta 4推送heroku时出错。我已经 在使用它之前设法部署，但由于某种原因，我得到了一个 现在是个奇怪的错误。 我在OSX上，雪豹。我已经在1.9.2预览版中使用了rvm 首先，我也回到了ruby 1.8.7-p254系统，但是 他们都给了我同样的错误：

--------------------------------------------------------------------------- --------------------------------------------------------------------------- --------------------------------------------------------------------------- --------------------- 
git push heroku master 
Counting objects: 334, done. 
Delta compression using up to 2 threads. 
Compressing objects: 100% (285/285), done. 
Writing objects: 100% (310/310), 48.73 KiB, done. 
Total 310 (delta 119), reused 0 (delta 0) 
-----> Heroku receiving push 
-----> Rails app detected 
-----> Gemfile detected, running Bundler 
       Unresolved dependencies detected; Installing... 
......... 
......... 
INSTALLS/BUNDLES ALL THE GEMS AND EVERYTHING WORKS FINE UNTILL HERE: 
......... 
......... 
Your bundle is complete! Use `bundle show [gemname]` to see where a 
bundled gem is installed. 
 Locking environment 
       /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/ 
tar_input.rb:49:in `initialize': not in gzip format 
(Zlib::GzipFile::Error) 
        from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/ 
tar_input.rb:49:in `new' 
......... 
......... 
MORE STACK TRACE HERE: 
......... 
......... 
error: hooks/pre-receive exited with error code 1 
To g...@heroku.com:hostelizer.git 
 ! [remote rejected] master -> master (pre-receive hook declined) 
error: failed to push some refs to '...@heroku.com:hostelizer.git' 
--------------------------------------------------------------------------- --------------------------------------------------------------------------- --------------------------------------------------------------------------- --------------------- 

任何想法都是gr8，因为我不是ruby/rails的大师。

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干杯

请把控制台转储放在一个代码块中-真的很难理解，因为我能把更多的堆栈跟踪放进去吗？