improve logging message of projection training

4 jobs for logging in 37 minutes (queued for 28 minutes and 15 seconds)
Status Job ID Name Coverage
  Build
passed #124334
docker
build_linux_27

00:37:00

passed #124335
docker
build_linux_36

00:35:41

passed #124336
macosx
build_macosx_27

00:20:31

passed #124337
macosx
build_macosx_36

00:17:11