these 3 derivations will be built:
  /nix/store/b6fhnwn1csnlk5lzy9x223vm2xjynkh0-driverConfiguration.json.drv
  /nix/store/frnv9ypjxmfcqqnfp2dnvd6gyjabzjvl-nixos-test-driver-systemd-portabled.drv
  /nix/store/5vp6wa3706s1y3s0argmif8qrcv876bf-vm-test-run-systemd-portabled.drv
error: Cannot build '/nix/store/5vp6wa3706s1y3s0argmif8qrcv876bf-vm-test-run-systemd-portabled.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d2ai12r44s20j9xfas4mv1jjszppc9sw-vm-test-run-systemd-portabled
       Last 25 log lines:
       > machine: must succeed: portablectl attach --now --runtime /nix/store/lgfrsvcnlqcq354c42ynzcb6ah2cg349-demo-img-1.0/demo_1.0.raw
       > machine # [    6.779557] systemd[1]: Finished Extra networking commands..
       > machine # [    6.781380] systemd[1]: Reached target Network.
       > machine # [    6.786191] systemd[1]: Starting Permit User Sessions...
       > machine # [    6.789606] systemd[1]: Starting Virtual Console Setup...
       > machine # [    6.933541] EDAC MC: Ver: 3.0.0
       > 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/lgfrsvcnlqcq354c42ynzcb6ah2cg349-demo-img-1.0/demo_1.0.raw")
       > !!! 
       > !!! RequestedAssertionFailed: command `portablectl attach --now --runtime /nix/store/lgfrsvcnlqcq354c42ynzcb6ah2cg349-demo-img-1.0/demo_1.0.raw` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 45)
       > machine # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/lb41b0anx1f98y9y5s9mdv97gjgsq740-python3-3.14.7/bin/python3.14)
       > machine # [2026-10-17T02:47:51Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-17T02:47:51Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-17T02:47:51Z 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/5vp6wa3706s1y3s0argmif8qrcv876bf-vm-test-run-systemd-portabled.drv