these 16 derivations will be built:
  /nix/store/m9c2wsz9l27lpcna0iyn8ahrzmh8cf84-system-path.drv
  /nix/store/c08df4b5axzkm4kxvsnc4zxr3bihnicl-dbus-1.drv
  /nix/store/89djkdx27vmfwyr25cb8w3rmvz1vwz19-X-Restart-Triggers-dbus-broker.drv
  /nix/store/vvn0757ax3vgn42hbvqkqssbw5xb2cqp-unit-dbus-broker.service.drv
  /nix/store/49incwz446nzg3hmz1lbzzxnwd1c4db5-user-units.drv
  /nix/store/jyi63a0a9dixj1xks6z7vdm3qd85vlp3-unit-dbus-broker.service.drv
  /nix/store/mmblpvn6m8xg5h56vpcmnki9gnz8nc45-system-units.drv
  /nix/store/hy8aa3xbv3wvac60kjd618jck962199b-etc.drv
  /nix/store/j2pr309fj3khnrfw39z7imbsjdj9bfp5-activate.drv
  /nix/store/ba38kgiy6pwk3gsb59w1cwwwabbc8bgb-nixos-system-server-test.drv
  /nix/store/f82q6j89hadbw1l6y5dqgxpk2zc8llcw-closure-info.drv
  /nix/store/30md3dchnlbabv3njsivp4flaaf22yl1-run-nixos-vm.drv
  /nix/store/v3c0cfdbjci71b6hlbdxmswx21j2b4v8-nixos-vm.drv
  /nix/store/bk32wgsg4jyv5h3arzrn17b3mp7cjikv-driverConfiguration.json.drv
  /nix/store/5vj9xm53vwdqggxswvamjjshspzw9yw9-nixos-test-driver-docker.drv
  /nix/store/j8c0nfk04ijb0bspb6y1njapc8zpw0yg-vm-test-run-docker.drv
Failed to find a machine for remote build!
derivation: j8c0nfk04ijb0bspb6y1njapc8zpw0yg-vm-test-run-docker.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/j8c0nfk04ijb0bspb6y1njapc8zpw0yg-vm-test-run-docker.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/b17dprac75c9rqwz9bpwwwjb8xcx4lka-vm-test-run-docker
       Last 25 log lines:
       > server # [   25.900613] systemd[1]: Startup finished in 989ms (kernel) + 5.058s (initrd) + 19.851s (userspace) = 25.898s.
       > server: (finished: waiting for unit docker-busybox.service, in 26.31 seconds)
       > server: must succeed: cntr attach busybox true
       > server # [   26.033670] systemd[1]: tmp-containerd\x2dmount3083597596.mount: Deactivated successfully.
       > server # [   26.166070] systemd[1]: Created slice Virtual Machine and Container Slice.
       > server # [   26.172625] systemd[1]: Starting Virtual Machine and Container Registration Service...
       > server # [   26.222252] systemd[1]: Started Virtual Machine and Container Registration Service.
       > server # failed to attach to container 'busybox': failed to lookup container 'busybox': failed to find container 'busybox' - tried the following runtimes:
       > server #   - ProcessId: 'busybox' is not a valid PID (process ID): invalid digit found in string
       > server #   - Docker: container 'busybox' is not running
       > server #   - Nspawn: machinectl show failed (exit status exit status: 1): Could not get path to machine: No machine 'busybox' known
       > 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-aarch64: terminating on signal 15 from pid 6 (/nix/store/36mns0lq3c2zgky08rsq0xvamfzglzvj-python3-3.13.12/bin/python3.13)
       > (finished: cleanup, in 0.16 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/j8c0nfk04ijb0bspb6y1njapc8zpw0yg-vm-test-run-docker.drv