See https://jenkins.debian.net/job/g-i-installation_debian_sid_daily_xfce/1399/ and https://jenkins.debian.net/job/g-i-installation_debian_sid_daily_xfce/1399//console and https://jenkins.debian.net/job/g-i-installation_debian_sid_daily_xfce/1399//artifact/results/ if there are any.