puma gem install mac - nitrous

I having a problem with the installing of puma gem. It shows in the
gemlock. file but for some reason it working with heroku. I keep getting
strated and crassing errors h10.

  2015-02-23T19:07:07.652208+00:00 heroku[web.1]: Starting process with
command `bundle exec puma -C config/puma.rb`

2015-02-23T19:07:09.917332+00:00 app[web.1]: Your Gemfile lists the gem
pg (>= 0) more than once.

2015-02-23T19:07:09.917803+00:00 app[web.1]: While it's not a problem
now, it could cause errors if you change the version of just one of them
later.

2015-02-23T19:07:09.985957+00:00 app[web.1]: bundler: command not found:
puma

2015-02-23T19:07:09.917801+00:00 app[web.1]: You should probably keep
only one of them.

2015-02-23T19:07:09.917352+00:00 app[web.1]: You should probably keep
only one of them.

2015-02-23T19:07:09.917355+00:00 app[web.1]: While it's not a problem
now, it could cause errors if you change the version of just one of them
later.

2015-02-23T19:07:09.917798+00:00 app[web.1]: Your Gemfile lists the gem
pg (>= 0) more than once.

2015-02-23T19:07:09.985971+00:00 app[web.1]: Install missing gem
executables with `bundle install`

2015-02-23T19:07:10.868043+00:00 heroku[web.1]: Process exited with
status 127

2015-02-23T19:07:10.886042+00:00 heroku[web.1]: State changed from
starting to crashed

2015-02-23T19:16:18.269946+00:00 heroku[router]: at=error code=H10
desc="App crashed" method=GET path="/"
host=tranquil-tundra-4765.herokuapp.com

request_id=d294f4c4-169a-4378-9c8c-aad93dbfe974 fwd="24.
186.236.104" dyno= connect= service= status=503 bytes=
2015-02-23T19:16:18.664612+00:00 heroku[router]: at=error code=H10
desc="App crashed" method=GET path="/favicon.ico"
host=tranquil-tundra-4765.herokuapp.com
request_id=ec81bf07-f43c-4862-95c3-fd8609b072f0 fwd="24.186.236.104"
dyno= connect= service= status=503 bytes=

2015-02-23T19:19:09.507218+00:00 heroku[router]: at=error code=H10
desc="App crashed" method=GET path="/"
host=tranquil-tundra-4765.herokuapp.com
request_id=52c0f31c-758d-4d97-ad58-1a25d1ca1463 fwd="24.
186.236.104" dyno= connect= service= status=503 bytes=

2015-02-23T19:19:09.801375+00:00 heroku[router]: at=error code=H10
desc="App crashed" method=GET path="/favicon.ico"
host=tranquil-tundra-4765.herokuapp.com
request_id=7d216765-888e-4e7b-b3cf-272512fe3f
6b fwd="24.186.236.104" dyno= connect= service= status=503 bytes=

2015-02-23T19:21:36.142326+00:00 heroku[router]: at=error code=H10
desc="App crashed" method=GET path="/"
host=tranquil-tundra-4765.herokuapp.com
request_id=1b043af0-2174-4303-8fa7-4be7908f2c34 fwd="24.
186.236.104" dyno= connect= service= status=503 bytes=

2015-02-23T19:21:36.406351+00:00 heroku[router]: at=error code=H10
desc="App crashed" method=GET path="/favicon.ico"
host=tranquil-tundra-4765.herokuapp.com
request_id=cc87adb1-fef7-47ed-b5cd-6d7b67eb081f fwd="24.186.236.104"
dyno= connect= service= status=503 bytes=