Silence some warnings from router

4 jobs for 300-tracks-for-trains in 9 minutes and 20 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Configure
passed #103538
linux
configure-linux

00:00:02

 
  Compile
passed #103539
linux
make-linux

00:01:41

 
  Unit Test
passed #103540
linux
test

00:07:07

 
  Dev Test
passed #103541
linux
dev

00:00:29