title: ! Heroku push rejected, failed to compile Ruby/rails app
body: <pre><code>   --with-opt-dir
     --without-opt-dir
     --with-opt-include
     --without-opt-include=${opt-dir}/include
     --with-opt-lib
     --without-opt-lib=${opt-dir}/lib
     --with-make-prog
     --without-make-prog
     --srcdir=.
     --curdir
     --ruby=/usr/local/bin/ruby
     --with-sqlite3-dir
     --without-sqlite3-dir
     --with-sqlite3-include
     --without-sqlite3-include=${sqlite3-dir}/include
     --with-sqlite3-lib
     --without-sqlite3-lib=${sqlite3-dir}/lib
     --enable-local
     --disable-local
     Gem files will remain installed in /tmp/build_3dsid22g5kvhv/vendor/bundle/ruby/1.9.1/gems/sqlite3-1.3.7 for inspection.
     Results logged to /tmp/build_3dsid22g5kvhv/vendor/bundle/ruby/1.9.1/gems/sqlite3-1.3.7/ext/sqlite3/gem_make.out
     An error occurred while installing sqlite3 (1.3.7), and Bundler cannot continue.
     Make sure that `gem install sqlite3 -v '1.3.7'` succeeds before bundling.
  
   !
   !     Failed to install gems via Bundler.
   !
   !     Heroku push rejected, failed to compile Ruby/rails app
  </code></pre>