log length of hashset

Signed-off-by: Sebastian Schüpbach <sebastian.schuepbach@unibas.ch>
3 jobs for master in 5 minutes and 38 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed test-sbt #70751
mbr

00:03:01

 
  Build
passed assembly-sbt #70752
mbr

00:02:12

 
  Publish
passed build-latest-image #70753
mbr

00:00:25