====== Attempt #1
-----> Fetching repository
       Cloning into '/tmp/d20190501-6-1tkbxl8/input'...
-----> Setting up package repository...
-----> Starting packaging process
-----> Additional environment variables
       UUID=beb5c7d9-cb8b-40a7-a0ef-a18b6bbe84ec
       HOME=/home/pkgr
-----> Empty or invalid cache
-----> Fetching pkgr d80c1f1055e428f720123c56e1558b9820ec6fca...
-----> Starting packaging process...
-----> Installing missing build dependencies: mysql-devel
-----> Fetching buildpack https://github.com/pkgr/pkgr-noop-buildpack.git at master
-----> Running hook: "/tmp/before_hook20190501-32-18tekd4.sh"
-----> NOOP app
-----> [cron] /opt/docker-gc/packaging/docker-gc-cron => /etc/cron.d/docker-gc-cron
-----> Uploading packages
       PACKAGE: docker-gc-0.0.0-1556715944.d0c5cf02.centos7.x86_64.rpm (22.46 KiB)
-----> DONE in 34s