these 3 derivations will be built:
  /nix/store/ynlmxdig2g748l9i06s4gk30kkmybqc1-driverConfiguration.json.drv
  /nix/store/21c91fkrnm8sxaxx3gsrr2b7igkwy2vm-nixos-test-driver-systemd-portabled.drv
  /nix/store/39b14jf7mf51fngjdwsj5wrbqy8rl5fx-vm-test-run-systemd-portabled.drv
error: Cannot build '/nix/store/39b14jf7mf51fngjdwsj5wrbqy8rl5fx-vm-test-run-systemd-portabled.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/sy0glh0jjs8nz79n3cry3vnx55gfj436-vm-test-run-systemd-portabled
       Last 25 log lines:
       > machine: (finished: waiting for unit systemd-portabled.service, in 0.22 seconds)
       > machine: must succeed: portablectl attach --now --runtime /nix/store/rk25a2sg1d100yyh8d9y3dlxv5qdamwz-demo-img-1.0/demo_1.0.raw
       > machine # [    9.604001] systemd[1]: Reached target Preparation for Network.
       > machine # [    9.616260] systemd[1]: Starting DHCP Client...
       > machine # [    9.636867] systemd[1]: Starting Address configuration of eth1...
       > machine # [    9.656922] systemd[1]: Starting Extra networking commands....
       > machine # (Matching unit files with prefix 'demo'.)
       > machine # AttachImage failed: Profile 'default' does not exist, refusing.
       > machine: output:
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 3, in <module>
       > !!!     machine.succeed("portablectl attach --now --runtime /nix/store/rk25a2sg1d100yyh8d9y3dlxv5qdamwz-demo-img-1.0/demo_1.0.raw")
       > !!! 
       > !!! RequestedAssertionFailed: command `portablectl attach --now --runtime /nix/store/rk25a2sg1d100yyh8d9y3dlxv5qdamwz-demo-img-1.0/demo_1.0.raw` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 45)
       > machine # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/bin/python3.14)
       > machine # [2026-10-18T02:43:46Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-18T02:43:46Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-18T02:43:46Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.13 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/39b14jf7mf51fngjdwsj5wrbqy8rl5fx-vm-test-run-systemd-portabled.drv