It looks like the aarch64-pc-windows-msvc / 3.14 / freethreaded+pgo builds time out occasionally:
and even the latest build on main barely avoided the 1 hour timeout at 54 mins:
I don't know if this timeout is a configuration option somewhere or what can be done to speed things up, but I've noticed it seems to happen somewhat often. I haven't done an analysis of other builds, but it makes sense to me that the 3.14 optimised Arm Windows build would take the longest