gistfile1.txt

Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed. 
Locking environment 
Your bundle is already locked, relocking. 
/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' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:49:in `initialize' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:63:in `each' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:54:in `loop' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_reader.rb:54:in `each' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:32:in `initialize' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:17:in `new' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package/tar_input.rb:17:in `open' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/package.rb:55:in `open' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/format.rb:63:in `from_io' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/format.rb:51:in `from_file_by_path' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/format.rb:50:in `open' 
from /usr/ruby1.8.7/lib/ruby/site_ruby/1.8/rubygems/format.rb:50:in `from_file_by_path' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/source.rb:149:in `specs' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/source.rb:148:in `each' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/source.rb:148:in `specs' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/index.rb:43:in `from_cached_specs' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/index.rb:39:in `system_cached_gems' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/index.rb:27:in `cached_gems' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/index.rb:5:in `build' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/index.rb:25:in `cached_gems' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/environment.rb:15:in `index' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/index.rb:5:in `build' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/environment.rb:13:in `index' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/environment.rb:59:in `resolve_locally' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/environment.rb:28:in `specs' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/runtime.rb:129:in `details' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/runtime.rb:118:in `write_yml_lock' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/runtime.rb:65:in `lock' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/cli.rb:115:in `lock' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor/task.rb:33:in `send' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor/task.rb:33:in `run' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor/invocation.rb:109:in `invoke' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor/invocation.rb:116:in `call' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor/invocation.rb:116:in `invoke' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor.rb:137:in `start' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor/base.rb:378:in `start' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/lib/bundler/vendor/thor.rb:124:in `start' 
from /usr/ruby1.8.7/lib/ruby/gems/1.8/gems/bundler-0.9.26/bin/bundle:13 
from /usr/ruby1.8.7/bin/bundle:19:in `load' 
from /usr/ruby1.8.7/bin/bundle:19 
FAILED: Could not lock dependencies. 
Have you updated to use a 0.9 Gemfile? 
http://docs.heroku.com/gems#gem-bundler

error: hooks/pre-receive exited with error code 1