these 10 derivations will be built:
  /nix/store/zvvm3pszlsa811k2fyw9b6n0clma4wsf-system-units.drv
  /nix/store/gmrchfci0cd5pqx33m1x2wp2b15icbdg-etc.drv
  /nix/store/gnl1dix2a6s03sm5jplj4sadknkpj8dh-activate.drv
  /nix/store/b3094yf7ljnxn8m949m3kd9v6b5s1hms-nixos-system-machine-test.drv
  /nix/store/ymj7wd84w2sfljsl4ms8a6vq5sbvlsnq-closure-info.drv
  /nix/store/b29znp5dfiyi9jrj6mg60yzbj1zrr9d6-run-nixos-vm.drv
  /nix/store/id6vc1n1hq6zdjvvlwaxj0d494fh0swh-nixos-vm.drv
  /nix/store/4g80jh2d7ybai51lm3cm1yir7r951mv4-driverConfiguration.json.drv
  /nix/store/7xj91zjsp1dy3n035z3x36zh50kjrrc1-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/69jli380x62ivxhzqjq5yfb6m829jrw4-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/69jli380x62ivxhzqjq5yfb6m829jrw4-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/l0wmp52556ra6sv88f8js3p2zsgfxipp-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   13.154762] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   13.185944] systemd-nsresourced[837]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   13.187992] systemd[1]: Started Namespace Resource Manager.
       > machine: (finished: must succeed: varlinkctl introspect /run/systemd/userdb/io.systemd.NamespaceResource, in 0.09 seconds)
       > machine: must succeed: unshare --user varlinkctl --exec call --push-fd=/proc/self/ns/user /run/systemd/userdb/io.systemd.NamespaceResource io.systemd.NamespaceResource.AllocateUserRange '{"name":"nixos-test","size":65536,"userNamespaceFileDescriptor":0}' -- cat /proc/self/uid_map
       > machine # Method call io.systemd.NamespaceResource.AllocateUserRange() failed: io.systemd.NamespaceResource.UserNamespaceInterfaceNotSupported
       > machine: output: {}
       >
       > !!! Test "nsresourced serves its varlink interface and delegates a user namespace" failed with error: "command `unshare --user varlinkctl --exec call --push-fd=/proc/self/ns/user /run/systemd/userdb/io.systemd.NamespaceResource io.systemd.NamespaceResource.AllocateUserRange '{"name":"nixos-test","size":65536,"userNamespaceFileDescriptor":0}' -- cat /proc/self/uid_map` failed (exit code 1)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 14, in <module>
       > !!!     machine.succeed(
       > !!! 
       > !!! RequestedAssertionFailed: command `unshare --user varlinkctl --exec call --push-fd=/proc/self/ns/user /run/systemd/userdb/io.systemd.NamespaceResource io.systemd.NamespaceResource.AllocateUserRange '{"name":"nixos-test","size":65536,"userNamespaceFileDescriptor":0}' -- cat /proc/self/uid_map` 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 # [2026-10-18T02:51:11Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-18T02:51:11Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-18T02:51:11Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.39 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/69jli380x62ivxhzqjq5yfb6m829jrw4-vm-test-run-systemd-nsresourced-mountfsd.drv