[Piuparts-reports] problem with piuparts-slave detected

[piuparts slave]

Either a test is running for a very long time (more than 90 minutes),
or piuparts-slave hangs or is not running at all or wasn't started with
~piupartss/bin/slave_run - please investigate and take appropriate measures!

13:18:29 << hello
13:18:29 >> section buster-rcmd
13:18:29 << ok
13:18:29 Connected to master
13:18:29 >> idle
13:18:29 << ok 0
13:18:29 >> reserve

Slave interrupted by the user, exiting...
piupartss at piu-slave-ubc-01:/srv/piuparts.debian.org/slave/1$