golang-github-rs-zerolog-dev 1.3.0+git20171214.c2fc1c6-2 (amd64 binary) in ubuntu bionic

 The zerolog package provides a fast and simple logger dedicated to
 JSON output.
 .
 Zerolog's API is designed to provide both a great developer experience
 and stunning performance. Its unique chaining API allows zerolog to
 write JSON log events by avoiding allocations and reflection.