====== Attempt #1
-----> Fetching repository
       Cloning into '/tmp/d20200729-6-4ax5av/input'...
-----> Setting up package repository...
-----> Starting packaging process
-----> Additional environment variables
       UUID=cecb6d3d-ca4a-4e63-ab88-f7b878e70134
       HOME=/home/pkgr
-----> Empty or invalid cache
-----> Fetching pkgr 5a4866cfdba616b0bae8ac79f05d3cd4ffb37f75...
-----> Starting packaging process...
-----> Installing missing build dependencies: mysql-devel
-----> Fetching buildpack https://github.com/pkgr/heroku-buildpack-ruby.git at v206-1
-----> Ruby app
-----> Compiling Ruby
-----> Using Ruby version: ruby-2.5.7
-----> Installing dependencies using bundler 1.17.3
       Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin -j4 --deployment
       Fetching gem metadata from https://rubygems.org/...
       Fetching https://github.com/ankane/dexter.git
       Using bundler 1.17.3
       Fetching pg 1.2.3
       Fetching pg_query 1.2.0
       Fetching slop 4.8.2
       Installing slop 4.8.2
       Installing pg_query 1.2.0 with native extensions
       Installing pg 1.2.3 with native extensions
       Using pgdexter 0.3.7 from https://github.com/ankane/dexter.git (at master@8903640)
       Bundle complete! 1 Gemfile dependency, 5 gems now installed.
       Gems in the groups development and test were not installed.
       Bundled gems are installed into `./vendor/bundle`
       Bundle completed (20.14s)
       Cleaning up the bundler cache.
-----> Detecting rake tasks
       
       ###### WARNING:
       
       You have not declared a Ruby version in your Gemfile.
       To set your Ruby version add this line to your Gemfile:
       ruby '2.5.7'
       # See https://devcenter.heroku.com/articles/ruby-versions for more information.
       
       
       ###### WARNING:
       
       No Procfile detected, using the default web server.
       We recommend explicitly declaring how to boot your server process via a Procfile.
       https://devcenter.heroku.com/articles/ruby-default-web-server
       
       
       
-----> Uploading packages
       PACKAGE: dexter-0.3.5-1596005490.d58c6650.centos7.x86_64.rpm (29.30 MiB)
-----> DONE in 100s