Не заливаются файлы с github на heroku

git init
git add .
git commit -m "init"
heroku create

Counting objects: 23, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (15/15), done.
Writing objects: 100% (23/23), 14.63 KiB | 0 bytes/s, done.
Total 23 (delta 7), reused 19 (delta 6)

-----> Fetching custom git buildpack... done

 !     Push rejected, no Cedar-supported app detected

To git@heroku.com:pracazr.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@heroku.com:pracazr.git'

licwin@licwin-K53TK:~$ mkdir -p Praca-ZR/public/{images,js,css}
licwin@licwin-K53TK:~$ touch Praca-ZR/{config.ru,public/index.html}
licwin@licwin-K53TK:~$  cd Praca-ZR && bundle init
Gemfile already exists at /home/licwin/Praca-ZR/Gemfile
licwin@licwin-K53TK:~/Praca-ZR$ ls
config.ru     index.htm    npm-debug.log  RU.png            style.css
Gemfile       indexPL.htm  PL.png         site
Gemfile.lock  logo.png     public         SparkleShare.txt
licwin@licwin-K53TK:~/Praca-ZR$ source :rubygems
bash: :rubygems: Нет такого файла или каталога
licwin@licwin-K53TK:~/Praca-ZR$ gem 'rack'
ERROR:  While executing gem ... (RuntimeError)
    Unknown command rack
licwin@licwin-K53TK:~/Praca-ZR$ bundle install
The Gemfile specifies no dependencies
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.
licwin@licwin-K53TK:~/Praca-ZR$ rackup
[2013-10-21 19:16:36] INFO  WEBrick 1.3.1
[2013-10-21 19:16:36] INFO  ruby 1.8.7 (2011-06-30) [x86_64-linux]
[2013-10-21 19:16:41] WARN  TCPServer Error: Address already in use - bind(2)
/usr/lib/ruby/1.8/webrick/utils.rb:73:in `initialize': Address already in use - bind(2) (Errno::EADDRINUSE)
	from /usr/lib/ruby/1.8/webrick/utils.rb:73:in `new'
	from /usr/lib/ruby/1.8/webrick/utils.rb:73:in `create_listeners'
	from /usr/lib/ruby/1.8/webrick/utils.rb:70:in `each'
	from /usr/lib/ruby/1.8/webrick/utils.rb:70:in `create_listeners'
	from /usr/lib/ruby/1.8/webrick/server.rb:75:in `listen'
	from /usr/lib/ruby/1.8/webrick/server.rb:63:in `initialize'
	from /usr/lib/ruby/1.8/webrick/httpserver.rb:24:in `initialize'
	from /usr/lib/ruby/vendor_ruby/rack/handler/webrick.rb:10:in `new'
	from /usr/lib/ruby/vendor_ruby/rack/handler/webrick.rb:10:in `run'
	from /usr/lib/ruby/vendor_ruby/rack/server.rb:265:in `start'
	from /usr/lib/ruby/vendor_ruby/rack/server.rb:137:in `start'
	from /usr/bin/rackup:4
licwin@licwin-K53TK:~/Praca-ZR$ git init
Reinitialized existing Git repository in /home/licwin/Praca-ZR/.git/
licwin@licwin-K53TK:~/Praca-ZR$ git add .
licwin@licwin-K53TK:~/Praca-ZR$ git commit -m "Initial static site template app"[master 034d829] Initial static site template app
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 public/index.html
licwin@licwin-K53TK:~/Praca-ZR$ git push heroku master
Counting objects: 33, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (23/23), done.
Writing objects: 100% (33/33), 15.74 KiB | 0 bytes/s, done.
Total 33 (delta 9), reused 19 (delta 6)

-----> Fetching custom git buildpack... done

 !     Push rejected, no Cedar-supported app detected

To git@heroku.com:pracazr.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@heroku.com:pracazr.git'

licwin@licwin-K53TK:~/Praca-ZR$ source :rubygems
bash: :rubygems: Нет такого файла или каталога
licwin@licwin-K53TK:~/Praca-ZR$ gem 'rack'
ERROR:  While executing gem ... (RuntimeError)
    Unknown command rack

licwin@licwin-K53TK:~/Praca-ZR$ git push heroku master

Counting objects: 37, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (27/27), done.
Writing objects: 100% (37/37), 16.19 KiB | 0 bytes/s, done.
Total 37 (delta 10), reused 19 (delta 6)

-----> Fetching custom git buildpack... done

 !     Push rejected, no Cedar-supported app detected

To git@heroku.com:pracazr.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@heroku.com:pracazr.git'