[test/simple] Print to stderr.
[test/simple] Print to stderr.

victorisildur/Graphite,fhijaz/Graphite,fhijaz/Graphite,8l/Graphite,nkawahara/Graphite,mit-carbon/Graphite,victorisildur/Graphite,victorisildur/Graphite,mit-carbon/Graphite,mit-carbon/Graphite-Cycle-Level,8l/Graphite,nkawahara/Graphite,mit-carbon/Graphite,victorisildur/Graphite,fhijaz/Graphite,8l/Graphite,fhijaz/Graphite,mit-carbon/Graphite-Cycle-Level,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,8l/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite,nkawahara/Graphite