these 6 derivations will be built:
  /nix/store/mnydl2dvhi3rvbfdn378l2mgcwf3sndq-iets-0.1.0.drv
  /nix/store/3y63zbjf37cqmipd6p816fxaby7v1k91-closure-info.drv
  /nix/store/hcy4kamm19k7z4lwdyzvqmnahx35011l-test-script.drv
  /nix/store/g34wcfnz0pg34ysbk0055bixszfrg41r-driverConfiguration.json.drv
  /nix/store/1szcsw2b5lppszbdrmmjvcs2cj7n3hlv-nixos-test-driver-iets-cachetest.drv
  /nix/store/p0w9m4ggxw59mavx0vmvi62ygs8b0ri8-container-test-run-iets-cachetest.drv
building '/nix/store/3y63zbjf37cqmipd6p816fxaby7v1k91-closure-info.drv'
closure-info> structuredAttrs is enabled
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
building '/nix/store/hcy4kamm19k7z4lwdyzvqmnahx35011l-test-script.drv'
test-script> structuredAttrs is enabled
building '/nix/store/g34wcfnz0pg34ysbk0055bixszfrg41r-driverConfiguration.json.drv'
driverConfiguration.json> structuredAttrs is enabled
building '/nix/store/1szcsw2b5lppszbdrmmjvcs2cj7n3hlv-nixos-test-driver-iets-cachetest.drv'
nixos-test-driver-iets-cachetest> Running type check (enable/disable: config.skipTypeCheck)
nixos-test-driver-iets-cachetest> See https://nixos.org/manual/nixos/stable/#test-opt-skipTypeCheck
nixos-test-driver-iets-cachetest> All checks passed!
nixos-test-driver-iets-cachetest> Linting test script (enable/disable: config.skipLint)
nixos-test-driver-iets-cachetest> See https://nixos.org/manual/nixos/stable/#test-opt-skipLint
nixos-test-driver-iets-cachetest> All checks passed!
building '/nix/store/p0w9m4ggxw59mavx0vmvi62ygs8b0ri8-container-test-run-iets-cachetest.drv'
container-test-run-iets-cachetest> Machine state will be reset. To keep it, pass --keep-machine-state
container-test-run-iets-cachetest> start all VLans
container-test-run-iets-cachetest> (finished: start all VLans, in 0.01 seconds)
container-test-run-iets-cachetest> 
container-test-run-iets-cachetest> Test will time out and terminate in 3600.0 seconds
container-test-run-iets-cachetest> run the VM test script
container-test-run-iets-cachetest> additionally exposed symbols:
container-test-run-iets-cachetest>     machine,
container-test-run-iets-cachetest>     vlan1,
container-test-run-iets-cachetest>     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
container-test-run-iets-cachetest> machine: waiting for unit multi-user.target
container-test-run-iets-cachetest> machine: systemd-nspawn running (pid 50)
container-test-run-iets-cachetest> machine: Waiting for journal at /build/vm-state-machine/var/log/journal...
container-test-run-iets-cachetest> nixos-nspawn(machine): TAP vde-tap1 not found; container will be isolated from VDE
container-test-run-iets-cachetest> nixos-nspawn(machine): A common reason for this is that /dev/net is not available in the Nix sandbox. Try adding /dev/net to extra-sandbox-paths.
container-test-run-iets-cachetest> Note: in a future version of systemd-nspawn the default set of permitted socket address families will be restricted to AF_INET, AF_INET6 and AF_UNIX. Use --restrict-address-families= to configure the set of permitted socket address families, or set RestrictAddressFamilies= in a .nspawn file.
container-test-run-iets-cachetest> ░ Spawning container machine on /build/vm-state-machine.
container-test-run-iets-cachetest> machine # No journal files were found.
container-test-run-iets-cachetest> machine # No journal boot entry found for the specified boot (+0).
container-test-run-iets-cachetest> machine # No journal files were found.
container-test-run-iets-cachetest> machine # No journal boot entry found for the specified boot (+0).
container-test-run-iets-cachetest> machine # [1629346.705510] machine systemd-journald[57]: Journal started
container-test-run-iets-cachetest> machine # [1629346.705585] machine systemd-journald[57]: Runtime Journal (/run/log/journal/d294daf9b86c44f9a886034c243682b7) is 8M, max 2.5G, 2.5G free.
container-test-run-iets-cachetest> machine # [1629346.818925] machine systemd[1]: Listening on Journal Log Access Socket.
container-test-run-iets-cachetest> machine # [1629346.823924] machine systemd[1]: Finished Apply Kernel Variables.
container-test-run-iets-cachetest> machine # [1629346.868891] machine systemd[1]: Finished Create Static Device Nodes in /dev gracefully.
container-test-run-iets-cachetest> machine # [1629346.972164] machine systemd[1]: Starting Flush Journal to Persistent Storage...
container-test-run-iets-cachetest> machine # [1629346.982163] machine systemd[1]: Starting Create Static Device Nodes in /dev...
container-test-run-iets-cachetest> machine # [1629347.065719] machine systemd-journald[57]: Time spent on flushing to /var/log/journal/d294daf9b86c44f9a886034c243682b7 is 34.897ms for 7 entries.
container-test-run-iets-cachetest> machine # [1629347.065719] machine systemd-journald[57]: System Journal (/var/log/journal/d294daf9b86c44f9a886034c243682b7) is 512B, max 4G, 3.9G free.
container-test-run-iets-cachetest> machine # [1629347.369657] machine systemd[1]: Finished Flush Journal to Persistent Storage.
container-test-run-iets-cachetest> machine # [1629347.375153] machine systemd[1]: Finished Create Static Device Nodes in /dev.
container-test-run-iets-cachetest> machine # [1629347.383393] machine systemd[1]: Reached target Preparation for Local File Systems.
container-test-run-iets-cachetest> machine # [1629347.383528] machine systemd[1]: Rule-based Manager for Device Events and Files skipped, unmet condition check ConditionPathIsReadWrite=/sys
container-test-run-iets-cachetest> machine # [1629347.401858] machine systemd[1]: Finished Firewall.
container-test-run-iets-cachetest> machine # [1629347.711195] machine systemd[1]: Mounting /run/wrappers...
container-test-run-iets-cachetest> machine # [1629347.801834] machine systemd[1]: Mounted /run/wrappers.
container-test-run-iets-cachetest> machine # [1629347.810102] machine systemd[1]: Reached target Local File Systems.
container-test-run-iets-cachetest> machine # [1629347.814982] machine systemd[1]: Listening on Boot Loader Control Service Socket.
container-test-run-iets-cachetest> machine # [1629347.820165] machine systemd[1]: Starting Create SUID/SGID Wrappers...
container-test-run-iets-cachetest> machine # [1629347.820225] machine systemd[1]: Update Boot Loader Random Seed skipped, unmet condition check ConditionVirtualization=!container
container-test-run-iets-cachetest> machine # [1629347.828125] machine systemd[1]: Starting Save Transient machine-id to Disk...
container-test-run-iets-cachetest> machine # [1629347.850336] machine systemd[1]: Starting Create System Files and Directories...
container-test-run-iets-cachetest> machine # [1629347.884355] machine systemd-tmpfiles[161]: Cannot set file attributes for '/var/empty', value=0x00000010, mask=0x00000010, ignoring: Operation not permitted
container-test-run-iets-cachetest> machine # [1629347.884526] machine systemd-tmpfiles[161]: fchmod() of /var/log/journal failed: Operation not permitted
container-test-run-iets-cachetest> machine # [1629347.884629] machine systemd-tmpfiles[161]: fchmod() of /var/log/journal/d294daf9b86c44f9a886034c243682b7 failed: Operation not permitted
container-test-run-iets-cachetest> machine # [1629347.884781] machine systemd-tmpfiles[161]: fchmod() of /run/log/journal failed: Operation not permitted
container-test-run-iets-cachetest> machine # [1629347.908161] machine systemd[1]: Finished Create System Files and Directories.
container-test-run-iets-cachetest> machine # [1629347.964082] machine suid-sgid-wrappers-start[168]: chmod: changing permissions of '/run/wrappers/wrappers.FMNIeW0s30/chsh': Operation not permitted
container-test-run-iets-cachetest> machine # [1629347.989152] machine systemd[1]: suid-sgid-wrappers.service: Main process exited, code=exited, status=1/FAILURE
container-test-run-iets-cachetest> machine # [1629347.989238] machine systemd[1]: suid-sgid-wrappers.service: Failed with result 'exit-code'.
container-test-run-iets-cachetest> machine # [1629347.989393] machine systemd[1]: Failed to start Create SUID/SGID Wrappers.
container-test-run-iets-cachetest> machine # [1629348.001130] machine systemd[1]: Starting Rebuild Journal Catalog...
container-test-run-iets-cachetest> machine # [1629348.041265] machine systemd[1]: Starting Record System Boot/Shutdown in UTMP...
container-test-run-iets-cachetest> machine # [1629348.065638] machine systemd[1]: Finished Record System Boot/Shutdown in UTMP.
container-test-run-iets-cachetest> machine # [1629348.096477] machine systemd[1]: Finished Rebuild Journal Catalog.
container-test-run-iets-cachetest> machine # [1629348.101671] machine systemd[1]: Starting Update is Completed...
container-test-run-iets-cachetest> machine # [1629348.156459] machine systemd[1]: Finished Update is Completed.
container-test-run-iets-cachetest> machine # [1629348.156597] machine systemd[1]: Reached target System Initialization.
container-test-run-iets-cachetest> machine # [1629348.156695] machine systemd[1]: Discard unused filesystem blocks once a week skipped, unmet condition check ConditionVirtualization=!container
container-test-run-iets-cachetest> machine # [1629348.156733] machine systemd[1]: Started Daily Cleanup of Temporary Directories.
container-test-run-iets-cachetest> machine # [1629348.156756] machine systemd[1]: Reached target Timer Units.
container-test-run-iets-cachetest> machine # [1629348.156878] machine systemd[1]: Listening on D-Bus System Message Bus Socket.
container-test-run-iets-cachetest> machine # [1629348.156973] machine systemd[1]: Listening on Virtual Machine and Container Registration Service Socket.
container-test-run-iets-cachetest> machine # [1629348.157226] machine systemd[1]: Reached target Socket Units.
container-test-run-iets-cachetest> machine # [1629348.157262] machine systemd[1]: Reached target Basic System.
container-test-run-iets-cachetest> machine # [1629348.161479] machine systemd[1]: Starting Import lastlog data into lastlog2 database...
container-test-run-iets-cachetest> machine # [1629348.166138] machine systemd[1]: Starting Name Service Cache Daemon (nsncd)...
container-test-run-iets-cachetest> machine # [1629348.175171] machine systemd[1]: Starting resolvconf update...
container-test-run-iets-cachetest> machine # [1629348.229437] machine systemd[1]: Finished Import lastlog data into lastlog2 database.
container-test-run-iets-cachetest> machine # [1629348.401643] machine systemd[1]: nscd.service: Deactivated successfully.
container-test-run-iets-cachetest> machine # [1629348.401997] machine systemd[1]: Stopped Name Service Cache Daemon (nsncd).
container-test-run-iets-cachetest> machine # [1629348.412153] machine systemd[1]: Starting Name Service Cache Daemon (nsncd)...
container-test-run-iets-cachetest> machine # [1629348.488096] machine resolvconf-start[235]: setfacl: /run/resolvconf: Operation not supported
container-test-run-iets-cachetest> machine # [1629348.549608] machine systemd[1]: resolvconf.service: Main process exited, code=exited, status=1/FAILURE
container-test-run-iets-cachetest> machine # [1629348.549706] machine systemd[1]: resolvconf.service: Failed with result 'exit-code'.
container-test-run-iets-cachetest> machine # [1629348.563110] machine systemd[1]: Failed to start resolvconf update.
container-test-run-iets-cachetest> machine # [1629348.563909] machine systemd[1]: Reached target Preparation for Network.
container-test-run-iets-cachetest> machine # [1629348.674560] machine systemd[1]: Starting Address configuration of eth1...
container-test-run-iets-cachetest> machine # [1629348.754139] machine systemd[1]: Starting Extra networking commands....
container-test-run-iets-cachetest> machine # [1629348.801559] machine network-addresses-eth1-start[237]: adding address 192.168.1.1/24... done
container-test-run-iets-cachetest> machine # [1629348.810709] machine network-addresses-eth1-start[237]: adding address 2001:db8:1::1/64... done
container-test-run-iets-cachetest> machine # [1629348.821106] machine systemd[1]: Finished Address configuration of eth1.
container-test-run-iets-cachetest> machine # [1629349.016838] machine systemd[1]: Finished Extra networking commands..
container-test-run-iets-cachetest> machine # [1629349.017478] machine systemd[1]: Reached target Network.
container-test-run-iets-cachetest> machine # [1629349.288925] machine systemd[1]: etc-machine\x2did.mount: Deactivated successfully.
container-test-run-iets-cachetest> machine # [1629349.295884] machine systemd[1]: Finished Save Transient machine-id to Disk.
container-test-run-iets-cachetest> machine # [1629350.070032] machine systemd[1]: Started Name Service Cache Daemon (nsncd).
container-test-run-iets-cachetest> machine # [1629350.070116] machine systemd[1]: Reached target Host and Network Name Lookups.
container-test-run-iets-cachetest> machine # [1629350.070164] machine systemd[1]: Reached target User and Group Name Lookups.
container-test-run-iets-cachetest> machine # [1629350.075031] machine nsncd[225]: Oct 13 19:35:20.802 INFO started, config: Config { ignored_request_types: {}, worker_count: 8, handoff_timeout: 10s }, path: "/var/run/nscd/socket"
container-test-run-iets-cachetest> machine # [1629350.075486] machine systemd[1]: Starting User Login Management...
container-test-run-iets-cachetest> machine # [1629350.082145] machine systemd[1]: Starting Permit User Sessions...
container-test-run-iets-cachetest> machine # [1629350.109310] machine systemd[1]: Finished Permit User Sessions.
container-test-run-iets-cachetest> machine # [1629350.115149] machine systemd[1]: Started Console Getty.
container-test-run-iets-cachetest> machine # [1629350.115211] machine systemd[1]: Getty on tty1 skipped, unmet condition check ConditionPathExists=/dev/tty0
container-test-run-iets-cachetest> machine # [1629350.115234] machine systemd[1]: Reached target Login Prompts.
container-test-run-iets-cachetest> machine: still waiting for container 'machine' to reach ready state...
container-test-run-iets-cachetest> machine # [1629358.988129] machine systemd-logind[306]: New seat seat0.
container-test-run-iets-cachetest> machine # [1629358.989009] machine systemd[1]: Started User Login Management.
container-test-run-iets-cachetest> machine # [1629358.994144] machine systemd[1]: Starting D-Bus System Message Bus...
container-test-run-iets-cachetest> machine # [1629358.997115] machine systemd[1]: Starting linger-users.service...
container-test-run-iets-cachetest> machine # [1629359.064478] machine systemd[1]: linger-users.service: Deactivated successfully.
container-test-run-iets-cachetest> machine # [1629359.065064] machine systemd[1]: Finished linger-users.service.
container-test-run-iets-cachetest> machine # [1629359.065326] machine systemd[1]: Reached target Multi-User System.
container-test-run-iets-cachetest> machine # [1629360.658410] machine dbus-broker-launch[316]: Looking up NSS user entry for 'systemd-timesync'...
container-test-run-iets-cachetest> machine # [1629360.666114] machine dbus-broker-launch[316]: NSS returned no entry for 'systemd-timesync'
container-test-run-iets-cachetest> machine # [1629360.666114] machine dbus-broker-launch[316]: Invalid user-name in /nix/store/z441alblwy32lyxiy8466qf85iyi2sdj-system-path/share/dbus-1/system.d/org.freedesktop.timesync1.conf +16: user="systemd-timesync"
container-test-run-iets-cachetest> machine # [1629360.663287] machine systemd[1]: Started D-Bus System Message Bus.
container-test-run-iets-cachetest> machine # [1629360.664096] machine systemd[1]: Startup finished in 14.950s.
container-test-run-iets-cachetest> machine # [1629360.681810] machine dbus-broker-launch[316]: Ready
container-test-run-iets-cachetest> machine: (finished: waiting for unit multi-user.target, in 16.31 seconds)
container-test-run-iets-cachetest> machine: must succeed: /nix/store/hbyzr3c9k3n51a3zyb3h74dqi8a2n1p5-writable-store /nix/store/rbqzkq6y2ywi7hhrd5nma4lfy6bsnzdv-closure-info
container-test-run-iets-cachetest> warning: '--json' without '--json-format' is deprecated; please specify '--json-format 1' or '--json-format 2'. This will become an error in a future release.