transmission-gtk crashes with autopilot

running the autopilot code at http://paste.ubuntu.com/6475778/ causes transmission-gtk to crash. This is likely a bug a in gtk. The output of the test is at http://paste.ubuntu.com/6475778/

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: transmission-gtk 2.82-0ubuntu1
ProcVersionSignature: Ubuntu 3.12.0-4.10-generic 3.12.1
Uname: Linux 3.12.0-4-generic x86_64
ApportVersion: 2.12.7-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue Nov 26 07:54:50 2013
InstallationDate: Installed on 2013-08-17 (100 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130816)
SourcePackage: transmission
UpgradeStatus: No upgrade log present (probably fresh install)