0s autopkgtest [04:28:20]: starting date and time: 2024-05-20 04:28:20+0000
  0s autopkgtest [04:28:20]: git checkout: d60bd36 autopkgtest-build-lxd: Add missing remote prefix in get_boot_id().
  0s autopkgtest [04:28:20]: host juju-7f2275-prod-proposed-migration-environment-9; command line: /home/ubuntu/autopkgtest/runner/autopkgtest --output-dir /tmp/autopkgtest-work.jtbmwddd/out --timeout-copy=6000 --setup-commands 'ln -s /dev/null /etc/systemd/system/bluetooth.service; printf "http_proxy=http://squid.internal:3128\nhttps_proxy=http://squid.internal:3128\nno_proxy=127.0.0.1,127.0.1.1,login.ubuntu.com,localhost,localdomain,novalocal,internal,archive.ubuntu.com,ports.ubuntu.com,security.ubuntu.com,ddebs.ubuntu.com,changelogs.ubuntu.com,keyserver.ubuntu.com,launchpadlibrarian.net,launchpadcontent.net,launchpad.net,10.24.0.0/24,keystone.ps5.canonical.com,objectstorage.prodstack5.canonical.com\n" >> /etc/environment' --apt-upgrade php-doctrine-inflector --timeout-short=300 --timeout-copy=20000 --timeout-build=20000 --env=ADT_TEST_TRIGGERS=migration-reference/0 -- lxd -r lxd-armhf-10.145.243.222 lxd-armhf-10.145.243.222:autopkgtest/ubuntu/oracular/armhf
600s Unexpected error:
600s Traceback (most recent call last):
600s   File "/home/ubuntu/autopkgtest/lib/VirtSubproc.py", line 830, in mainloop
600s     command()
600s   File "/home/ubuntu/autopkgtest/lib/VirtSubproc.py", line 759, in command
600s     r = f(c, ce)
600s   File "/home/ubuntu/autopkgtest/lib/VirtSubproc.py", line 348, in cmd_open
600s     caller.hook_open()
600s   File "/home/ubuntu/autopkgtest/virt/autopkgtest-virt-lxd", line 152, in hook_open
600s     VirtSubproc.check_exec(
600s   File "/home/ubuntu/autopkgtest/lib/VirtSubproc.py", line 193, in check_exec
600s     (status, out, err) = execute_timeout(None, timeout, real_argv,
600s   File "/home/ubuntu/autopkgtest/lib/VirtSubproc.py", line 155, in execute_timeout
600s     (out, err) = sp.communicate(instr)
600s   File "/usr/lib/python3.8/subprocess.py", line 1028, in communicate
600s     stdout, stderr = self._communicate(input, endtime, timeout)
600s   File "/usr/lib/python3.8/subprocess.py", line 1868, in _communicate
600s     ready = selector.select(timeout)
600s   File "/usr/lib/python3.8/selectors.py", line 415, in select
600s     fd_event_list = self._selector.poll(timeout)
600s   File "/home/ubuntu/autopkgtest/lib/VirtSubproc.py", line 75, in alarm_handler
600s     raise Timeout(to)
600s VirtSubproc.Timeout: 600
600s autopkgtest [04:38:20]: ERROR: testbed failure: unexpected eof from the testbed