https://launchpad.net/~build.snapcraft.io/+snap/3fe284bd0f24b5c609bdee49b9924373/+build/2183131
RUN: /usr/share/launchpad-buildd/bin/builder-prep 
Kernel version: Linux bos01-s390x-016 5.15.0-76-generic #83-Ubuntu SMP Thu Jun 15 19:17:22 UTC 2023 s390x
Buildd toolchain package versions: launchpad-buildd_234~639~ubuntu22.04.1 python3-lpbuildd_234~639~ubuntu22.04.1 sbuild_0.81.2ubuntu6 git-build-recipe_0.3.6 git_1:2.34.1-1ubuntu1.9 dpkg-dev_1.21.1ubuntu2.2 python3-debian_0.1.43ubuntu1.1.
Syncing the system clock with the buildd NTP service...
27 Jul 08:05:11 ntpdate[1786]: adjust time server 10.211.37.1 offset +0.000272 sec
RUN: /usr/share/launchpad-buildd/bin/in-target unpack-chroot --backend=lxd --series=focal --arch=s390x SNAPBUILD-2183131 --image-type lxd /home/buildd/filecache-default/451fab5963eaecabef3a7bcc413c85f366246786
Creating target for build SNAPBUILD-2183131
To start your first container, try: lxc launch ubuntu:22.04
Or for a virtual machine: lxc launch ubuntu:22.04 --vm

/usr/lib/python3/dist-packages/pylxd/models/operation.py:76: UserWarning: Attempted to set unknown attribute "location" on instance of "Operation"
  warnings.warn(
RUN: /usr/share/launchpad-buildd/bin/in-target mount-chroot --backend=lxd --series=focal --arch=s390x SNAPBUILD-2183131
Starting target for build SNAPBUILD-2183131
/usr/lib/python3/dist-packages/pylxd/models/operation.py:76: UserWarning: Attempted to set unknown attribute "location" on instance of "Operation"
  warnings.warn(
Error: Instance is not running
/usr/lib/python3/dist-packages/pylxd/models/_model.py:134: UserWarning: Attempted to set unknown attribute "type" on instance of "Container"
  warnings.warn(
/usr/lib/python3/dist-packages/pylxd/models/_model.py:134: UserWarning: Attempted to set unknown attribute "project" on instance of "Container"
  warnings.warn(
Error: Instance is not running
Error: Instance is not running
Error: Instance is not running
Traceback (most recent call last):
  File "/usr/share/launchpad-buildd/bin/in-target", line 20, in <module>
    sys.exit(main())
  File "/usr/share/launchpad-buildd/bin/in-target", line 16, in main
    return args.operation.run()
  File "/usr/lib/python3/dist-packages/lpbuildd/target/lifecycle.py", line 36, in run
    self.backend.start()
  File "/usr/lib/python3/dist-packages/lpbuildd/target/lxd.py", line 590, in start
    raise BackendException(
lpbuildd.target.backend.BackendException: Container failed to start within 60 seconds