these 16 derivations will be built:
  /nix/store/r9fkq0938r9mcvj1sj5dqbqvxk10a0f3-extra-utils.drv
  /nix/store/v53s67c2nhgm6682pwxffqrqldmrvzdk-link-units.drv
  /nix/store/zr0d3dvx7fl2rksn51i1dwaz8yvi1xyn-udev-rules.drv
  /nix/store/xzlhsf854g1a66r9hd9r65n23smcshf6-stage-1-init.sh.drv
  /nix/store/6cjwgviz9cn3zaphafdkcldjfnyaz786-closure-info.drv
  /nix/store/is0dcrij81nzpjdhxpglxy7ax5lj5qjc-initrd-linux-6.18.56.drv
  /nix/store/91pb51kb6fy48x57h4fh947dhf0kdbad-boot.json.drv
  /nix/store/an5g8nnvdhnrkb9q398xx7s60x271j84-etc.drv
  /nix/store/i11j1f8bajdsrb3g9csc0i4fhzwif7aq-activate.drv
  /nix/store/rbccwprrqcnjv6a5kqnspgd5jgk7dwpw-nixos-system-machine-test.drv
  /nix/store/xnlvs2h57qq0qmaa3p6riw1sakgxxd0l-closure-info.drv
  /nix/store/3izpygxswdj95qn8k5mm2i1qwqq6y9p9-run-nixos-vm.drv
  /nix/store/hjxazldaxdbi7scf0v1gsvfsf7xxc8rq-nixos-vm.drv
  /nix/store/sqgw8bs6wybiphd010vhqqhs691vdf58-driverConfiguration.json.drv
  /nix/store/mb2am3bl9pdjbc84ncpv592ahmz7zsx3-nixos-test-driver-systemd-shutdown.drv
  /nix/store/bd8zc8kpr1hyq5jkalxm5b041q4igims-vm-test-run-systemd-shutdown.drv
this path will be fetched (825.4 KiB download, 1.2 MiB unpacked):
  /nix/store/36xqghlzcbspvxvpwss9bw4p3fhgdd85-linux-6.18.56-modules-shrunk
error: Cannot build '/nix/store/bd8zc8kpr1hyq5jkalxm5b041q4igims-vm-test-run-systemd-shutdown.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/af3689dyxbbdfiv1nyxg8bw2qjynpicd-vm-test-run-systemd-shutdown
       Last 25 log lines:
       > machine # [   14.789854] shutdown[1]: All DM devices detached.
       > machine # [   14.790128] shutdown[1]: All filesystems, swaps, loop devices, MD devices and DM devices detached.
       > machine # [   14.796648] shutdown[1]: Syncing filesystems and block devices.
       > machine # [   14.797541] shutdown[1]: Powering off.
       > machine # [   14.830640] Console: switching to colour dummy device 80x25
       > machine # [   14.838893] Flash device refused suspend due to active operation (state 20)
       > machine # [   14.838911] Flash device refused suspend due to active operation (state 20)
       > machine # [   14.841157] reboot: Power down
       > machine # [2026-10-16T02:51:59Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-16T02:51:59Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-16T02:51:59Z INFO  virtiofsd] Client disconnected, shutting down
       > machine: (finished: waiting for Unmounting '/oldroot' to appear on console, in 2.02 seconds)
       > machine: waiting for Shutting down NixOS to appear on console
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 10, in <module>
       > !!!     machine.wait_for_console_text("Shutting down NixOS", timeout=dt.timedelta(seconds=5))
       > !!! 
       > !!! RequestedAssertionFailed: action timed out after 5.00 seconds (timeout=5.0)
       > cleanup
       > kill QemuMachine (pid 45)
       > (finished: cleanup, in 0.00 seconds)
       > additionally exposed symbols:
       >     machine,
       >     vlan1,
       >     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
       For full logs, run:
         nix log /nix/store/bd8zc8kpr1hyq5jkalxm5b041q4igims-vm-test-run-systemd-shutdown.drv