go version go1.12.9 linux/amd64 git sha of code: 3c4859c74ca7093bae2a175e1a8f1406d6002e28 Linux hecturchi2.fritz.box 4.12.14-lp151.28.13-default #1 SMP Wed Aug 7 07:20:16 UTC 2019 (0c09ad2) x86_64 x86_64 x86_64 GNU/Linux built on Fri Sep 13 19:00:57 CEST 2019