Backtrace gathers a backtrace for the caller.

Verbosity level helps track down production issues: -l debug.

Verbosity level helps track down production issues: -l debug.

FileExists checks if given file exists.

Typical logging output, the default level.

Typical logging output, the default level.

Uh oh, not good but not worthy of process death.

This is the canonical timestamp format used by Faktory.

Set FAKTORY2_PREVIEW=true to enable breaking changes coming in Faktory 2.0.