after postmark

Counting objects: 14, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (14/14), done.
Writing objects: 100% (14/14), 1.53 KiB | 0 bytes/s, done.
Total 14 (delta 9), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> Ruby app detected
remote: -----> Compiling Ruby/Rails
remote: -----> Using Ruby version: ruby-2.4.0
remote: -----> Installing dependencies using bundler 1.13.7
remote:        Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment
remote:        Warning: the running version of Bundler (1.13.7) is older than the version that created the lockfile (1.14.3). We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
remote:        Fetching gem metadata from https://rubygems.org/.........
remote:        Fetching version metadata from https://rubygems.org/..
remote:        Fetching dependency metadata from https://rubygems.org/.
remote:        Using rake 12.0.0
remote:        Using concurrent-ruby 1.0.4
remote:        Using i18n 0.8.0
remote:        Using minitest 5.10.1
remote:        Using thread_safe 0.3.5
remote:        Using builder 3.2.3
remote:        Using erubis 2.7.0
remote:        Using mini_portile2 2.1.0
remote:        Using rack 2.0.1
remote:        Using nio4r 1.2.1
remote:        Using websocket-extensions 0.1.2
remote:        Using mime-types-data 3.2016.0521
remote:        Using arel 7.1.4
remote:        Using bcrypt 3.1.11
remote:        Using coffee-script-source 1.12.2
remote:        Using execjs 2.7.0
remote:        Using method_source 0.8.2
remote:        Using thor 0.19.4
remote:        Using commonjs 0.2.7
remote:        Using orm_adapter 0.5.0
remote:        Using multi_json 1.12.1
remote:        Using tilt 2.0.6
remote:        Using libv8 3.16.14.17
remote:        Using pg 0.19.0
remote:        Using puma 3.7.0
remote:        Using bundler 1.13.7
remote:        Using rails_serve_static_assets 0.0.5
remote:        Using rails_stdout_logging 0.0.5
remote:        Using ref 2.0.0
remote:        Using sass 3.4.23
remote:        Using turbolinks-source 5.0.0
remote:        Using tzinfo 1.2.2
remote:        Using nokogiri 1.7.0.1
remote:        Using rack-test 0.6.3
remote:        Using warden 1.2.7
remote:        Using sprockets 3.7.1
remote:        Using websocket-driver 0.6.5
remote:        Using coffee-script 2.4.1
remote:        Using uglifier 3.0.4
remote:        Using less 2.6.0
remote:        Using mime-types 3.1
remote:        Using rails_12factor 0.0.3
remote:        Using therubyracer 0.12.3
remote:        Using turbolinks 5.0.1
remote:        Using loofah 2.0.3
remote:        Using activesupport 5.0.1
remote:        Using mail 2.6.4
remote:        Using rails-html-sanitizer 1.0.3
remote:        Using rails-dom-testing 2.0.2
remote:        Using globalid 0.3.7
remote:        Using activemodel 5.0.1
remote:        Using jbuilder 2.6.1
remote:        Installing json 2.0.3 with native extensions
remote:        Using actionview 5.0.1
remote:        Using activejob 5.0.1
remote:        Using activerecord 5.0.1
remote:        Using actionpack 5.0.1
remote:        Using actioncable 5.0.1
remote:        Using actionmailer 5.0.1
remote:        Using railties 5.0.1
remote:        Using less-rails 2.8.0
remote:        Using sprockets-rails 3.2.0
remote:        Using coffee-rails 4.2.1
remote:        Using responders 2.3.0
remote:        Using jquery-rails 4.2.2
remote:        Using rails 5.0.1
remote:        Using sass-rails 5.0.6
remote:        Using twitter-bootstrap-rails 4.0.0
remote:        Using devise 4.2.0
remote:        Installing postmark 1.10.0
remote:        Installing postmark-rails 0.15.0
remote:        Bundle complete! 21 Gemfile dependencies, 71 gems now installed.
remote:        Gems in the groups development and test were not installed.
remote:        Bundled gems are installed into ./vendor/bundle.
remote:        Post-install message from postmark:
remote:        ==================
remote:        Thanks for installing the postmark gem. If you don't have an account, please
remote:        sign up at http://postmarkapp.com/.
remote:        Review the README.md for implementation details and examples.
remote:        ==================
remote:        
remote:        Bundle completed (7.82s)
remote:        Cleaning up the bundler cache.
remote:        Warning: the running version of Bundler (1.13.7) is older than the version that created the lockfile (1.14.3). We suggest you upgrade to the latest version of Bundler by running `gem install bundler`.
remote: -----> Detecting rake tasks
remote: -----> Preparing app for Rails asset pipeline
remote:        Running: rake assets:precompile
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/xml_mini.rb:51: warning: constant ::Fixnum is deprecated
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/xml_mini.rb:52: warning: constant ::Bignum is deprecated
remote:        rake aborted!
remote:        NoMethodError: undefined method `options=' for nil:NilClass
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/config/environments/production.rb:87:in `block in <top (required)>'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/railtie.rb:209:in `instance_eval'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/railtie.rb:209:in `configure'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/config/environments/production.rb:1:in `<top (required)>'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `block in require'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/engine.rb:600:in `block (2 levels) in <class:Engine>'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/engine.rb:599:in `each'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/engine.rb:599:in `block in <class:Engine>'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `instance_exec'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `run'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:55:in `block in run_initializers'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/initializable.rb:54:in `run_initializers'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:352:in `initialize!'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/config/environment.rb:5:in `<top (required)>'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `block in require'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/activesupport-5.0.1/lib/active_support/dependencies.rb:293:in `require'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:328:in `require_environment!'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/railties-5.0.1/lib/rails/application.rb:448:in `block in run_tasks_blocks'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/sprockets-rails-3.2.0/lib/sprockets/rails/task.rb:62:in `block (2 levels) in define'
remote:        /tmp/build_a405413a962f1bf86181d13346cc4831/vendor/bundle/ruby/2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
remote:        Tasks: TOP => environment
remote:        (See full trace by running task with --trace)
remote:  !
remote:  !     Precompiling assets failed.
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !	Push rejected to infinite-earth-83349.
remote: 
To https://git.heroku.com/infinite-earth-83349.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/infinite-earth-83349.git'