these 10 derivations will be built:
  /nix/store/z954jqrdhzqmgy8x7ybzdbcagw2migr9-system-units.drv
  /nix/store/7iprfv8p7x30ijxrark5a45z7dy9b1aq-etc.drv
  /nix/store/a2cs256ivh16q8cwnsr6ya40g5ivfyyx-activate.drv
  /nix/store/3h43j8qdwha477v8hsgc937f3kwwldq1-nixos-system-machine-test.drv
  /nix/store/5dlzhl2cgfd7qj4sa9x35wq570qzsmmk-closure-info.drv
  /nix/store/7zhgxzahhw4wxqwsb11d9y2jpahriycf-run-nixos-vm.drv
  /nix/store/2rwzwfwpc2wv76rfb6aw97xpnx6f6w31-nixos-vm.drv
  /nix/store/ap4142gk0a3sk3jzngrzjmdas9xz9a5m-driverConfiguration.json.drv
  /nix/store/1mfcdlvmp2hbycgfp6168w3060vckrlq-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/hcwpa1fzpyz35mfydp065vfmlgdh98dn-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/hcwpa1fzpyz35mfydp065vfmlgdh98dn-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1w8zwhqjmjh6ha6gihyqh0q2ibm5qx3i-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   17.425912] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   17.474783] systemd-nsresourced[831]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   17.480478] systemd[1]: Started Namespace Resource Manager.
       > machine: (finished: must succeed: varlinkctl introspect /run/systemd/userdb/io.systemd.NamespaceResource, in 0.14 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-aarch64: terminating on signal 15 from pid 39 (/nix/store/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/bin/python3.14)
       > machine # [2026-10-18T02:44:26Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-18T02:44:26Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-18T02:44:26Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.14 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/hcwpa1fzpyz35mfydp065vfmlgdh98dn-vm-test-run-systemd-nsresourced-mountfsd.drv