remote: -----> Installing dependencies using bundler 1.11.2
remote: Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment
remote: Warning: the running version of Bundler is older than the version that created the lockfile. We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
remote: You are trying to install in deployment mode after changing
remote: your Gemfile. Run `bundle install` elsewhere and add the
remote: updated Gemfile.lock to version control.
remote: You have deleted from the Gemfile:
remote: * httpclient
remote: Bundler Output: Warning: the running version of Bundler is older than the version that created the lockfile. We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
remote: You are trying to install in deployment mode after changing
remote: your Gemfile. Run `bundle install` elsewhere and add the
remote: updated Gemfile.lock to version control.
remote:
remote: You have deleted from the Gemfile:
remote: * httpclient
remote: !
remote: ! Failed to install gems via Bundler.
remote: !
remote: ! Push rejected, failed to compile Ruby app.
remote:
remote: ! Push failed
remote: Verifying deploy...
remote:
remote: ! Push rejected to tb-advance.
remote:
To https://git.heroku.com/tb-advance.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/tb-advance.git'