these 10 derivations will be built:
  /nix/store/agjd5x0whlzhfs84k6z18rv3mscsi50z-system-units.drv
  /nix/store/9m0cyfcbl258qrirvf1y6r6gyn9inana-etc.drv
  /nix/store/4jhf5anbsfnvsd90z2wg9cdlrjz8pmnw-activate.drv
  /nix/store/y1s3769ifcrjp4bxm0x6pqxwm2angflg-nixos-system-machine-test.drv
  /nix/store/sgkd1h13c0yhdc0yp8lz2npp1dal0fjn-closure-info.drv
  /nix/store/lkih0pxyxngwlj9297n9c7syadyyp5r4-run-nixos-vm.drv
  /nix/store/01sicfpx67rah7bbxfv11m7sk62j4v72-nixos-vm.drv
  /nix/store/fypyq468048h9ws15s06xgmlv7bq1qds-driverConfiguration.json.drv
  /nix/store/vzh0k3kgl6g2vzmsz5cidj73n0xc2f4b-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/9mzs5y82sqa1x279al43rbj6barwi96c-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/9mzs5y82sqa1x279al43rbj6barwi96c-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/wp19swqglylk2a16csrxx69lcbyxzfz8-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   23.895774] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   23.947618] systemd-nsresourced[851]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   23.955147] systemd[1]: Started Namespace Resource Manager.
       > machine: (finished: must succeed: varlinkctl introspect /run/systemd/userdb/io.systemd.NamespaceResource, in 0.16 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/lq2fsnmg0q3y0vlxn91w8s8wvj1m6fld-python3-3.14.8/bin/python3.14)
       > machine # [2026-10-23T03:06:54Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-23T03:06:54Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-23T03:06:54Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.48 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/9mzs5y82sqa1x279al43rbj6barwi96c-vm-test-run-systemd-nsresourced-mountfsd.drv