these 16 derivations will be built:
  /nix/store/vsj5n7j2i365yznga2iakqx5a671074z-system-path.drv
  /nix/store/8wig3j8jli4hmcjyysw44c4qbxbhgw0r-dbus-1.drv
  /nix/store/pz7ilgbhha5r8g2pj4yrkb6y3rv2biaz-X-Restart-Triggers-dbus-broker.drv
  /nix/store/g6jff9wr8m5g7wfnpl0akyvm8cvh5f6x-unit-dbus-broker.service.drv
  /nix/store/5557mn9zrjkzqh3iy8q8c3y0r5q0cnji-user-units.drv
  /nix/store/756kcps87x2jg36iw5lq817cnnjiyjn4-unit-dbus-broker.service.drv
  /nix/store/pyihbbabi18jd1d4lr1fbqvqgf5ypjv3-system-units.drv
  /nix/store/3gk0f64hkymis15c1ganrb937nxa4pc9-etc.drv
  /nix/store/ckzl7drz67kpdympgs9sq6qnrx40l5dy-activate.drv
  /nix/store/18ii0ki74n6c9hcbr65ilgqxcsa72vb3-nixos-system-server-test.drv
  /nix/store/g626vqgc290fk4gbdzy5hl75cvmag02c-closure-info.drv
  /nix/store/vws4crih627xya53bzmyvkla5ssgncgq-run-nixos-vm.drv
  /nix/store/x0hn3wv0m3p6cz407irr9ifwbizjgxvz-nixos-vm.drv
  /nix/store/4nif12vc5r8k2qycqqsb0q38c956qr8q-driverConfiguration.json.drv
  /nix/store/kday3r9jgsp3k3jpwpwf6h2v0v0m2zxh-nixos-test-driver-docker.drv
  /nix/store/mv9lfnnm7qzqmfvgib0gvw41c01g9frs-vm-test-run-docker.drv
error: Cannot build '/nix/store/mv9lfnnm7qzqmfvgib0gvw41c01g9frs-vm-test-run-docker.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/11gi5684ziv82rp81kd49vh52r0d7c1g-vm-test-run-docker
       Last 25 log lines:
       > server # [   23.478500] pre-start[1480]: Loaded image: busybox-test:latest
       > server # [   23.507207] systemd[1]: Started docker-busybox.service.
       > server # [   23.515258] systemd[1]: Reached target Multi-User System.
       > server # [   23.517387] systemd[1]: Startup finished in 922ms (kernel) + 4.389s (initrd) + 18.202s (userspace) = 23.514s.
       > server: (finished: waiting for unit docker-busybox.service, in 24.41 seconds)
       > server: must succeed: cntr attach busybox true
       > server # [   23.722128] systemd[1]: tmp-containerd\x2dmount3858003567.mount: Deactivated successfully.
       > server # [   23.797322] systemd[1]: Created slice Virtual Machine and Container Slice.
       > server # [   23.802143] systemd[1]: Starting Virtual Machine and Container Registration Service...
       > server # [   23.873274] systemd[1]: Started Virtual Machine and Container Registration Service.
       > server # failed to attach to container 'busybox': failed to lookup container 'busybox'
       > server: output:
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 3, in <module>
       > !!!     server.succeed("cntr attach busybox true")
       > !!! 
       > !!! RequestedAssertionFailed: command `cntr attach busybox true` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 13)
       > server # qemu-system-x86_64: terminating on signal 15 from pid 6 (/nix/store/0r6k8xa2kgqyp3r4v2w7yrb80ma2iawm-python3-3.13.12/bin/python3.13)
       > (finished: cleanup, in 0.02 seconds)
       > additionally exposed symbols:
       >     server,
       >     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/mv9lfnnm7qzqmfvgib0gvw41c01g9frs-vm-test-run-docker.drv