these 16 derivations will be built:
  /nix/store/6k8jx0wp8ijjbsnzvb1dsgjcsgrskfc9-system-path.drv
  /nix/store/qm96hjyb48fcfywvc794bghkm652ixxm-dbus-1.drv
  /nix/store/jzv24n6a82si2qyvaglvfc5xxfydbi15-X-Restart-Triggers-dbus-broker.drv
  /nix/store/gsxq7v8w45f40zrxnzsq05n5hfys4nw0-unit-dbus-broker.service.drv
  /nix/store/amyzny2h45cmrw9dghsmd8nr70sd3qnc-user-units.drv
  /nix/store/5aac3lwwrbrz3k0s0g0y2ir1hx2b7gvn-unit-dbus-broker.service.drv
  /nix/store/h59yg7ldqim7nmahdld3hl97yjay7nc3-system-units.drv
  /nix/store/28zk5iqj8b2iczrvspiad5677hw5b56w-etc.drv
  /nix/store/apkijswj1adf8sjwxs2pirmqm1zh1vd0-activate.drv
  /nix/store/p2ca884aminw4vjin1ivqckw07g8i429-nixos-system-server-test.drv
  /nix/store/cw45kp5b0hbh6bfckbi097ld28bx2jx3-closure-info.drv
  /nix/store/37imsblsq9s3yb69kbylknkb8f7bs1lg-run-nixos-vm.drv
  /nix/store/72ry57hk34j0myqgwn79427waligi2kq-nixos-vm.drv
  /nix/store/qpipzpbnlzz57qv1npkx929ff9lkqacc-driverConfiguration.json.drv
  /nix/store/vhbqaihi35cm7832dlykrvkf6fm6zydz-nixos-test-driver-docker.drv
  /nix/store/cqh7d6xsishn7lb8s31qy5szmx2fvqwy-vm-test-run-docker.drv
Failed to find a machine for remote build!
derivation: cqh7d6xsishn7lb8s31qy5szmx2fvqwy-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/cqh7d6xsishn7lb8s31qy5szmx2fvqwy-vm-test-run-docker.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/03l01nlvi2k7xjm2dabba4l5cqaaf42b-vm-test-run-docker
       Last 25 log lines:
       > server: (finished: waiting for unit docker-busybox.service, in 24.26 seconds)
       > server: must succeed: cntr attach busybox true
       > server # [   24.029040] systemd[1]: tmp-containerd\x2dmount3976923874.mount: Deactivated successfully.
       > server # [   24.115605] systemd[1]: var-lib-docker-rootfs-overlayfs-9cc3fb0570e4a108342a8cb83d692a2584155b6f4410bd333864c0702f44d51e.mount: Deactivated successfully.
       > server # [   24.171936] systemd[1]: Created slice Virtual Machine and Container Slice.
       > server # [   24.177322] systemd[1]: Starting Virtual Machine and Container Registration Service...
       > server # [   24.230467] 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: docker inspect --format {{.State.Running}};{{.State.Pid}} busybox failed (exit status exit code 1): error: no such object: busybox
       > server #   - Nspawn: machinectl show --property=Leader busybox failed (exit status exit code 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 0.21 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/cqh7d6xsishn7lb8s31qy5szmx2fvqwy-vm-test-run-docker.drv