these 10 derivations will be built:
  /nix/store/di5z6bmf5nwn5532wr6kla88xywbh1fa-system-units.drv
  /nix/store/nqjj1c8j3v7smxy4312p6qxniz826gdn-etc.drv
  /nix/store/ljp764xckhbg4smsvpbavcycw5ig3ylr-activate.drv
  /nix/store/q3k4vkc8r109clzkzz6dk9sb2zlx6wls-nixos-system-machine-test.drv
  /nix/store/iiys8invlawbqs2nj9l50wq76gnv0xw4-closure-info.drv
  /nix/store/ji445r1ayc9rdgka3vj30hqbjz6fjfkx-run-nixos-vm.drv
  /nix/store/hrl2v8vdshczamnmswmnih8ya73c7c8f-nixos-vm.drv
  /nix/store/wj8glhq26j0x68ffiiz5vbza2y37r8m7-driverConfiguration.json.drv
  /nix/store/zciq861vnwa73v1lsq1kh018xp0r1m0n-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/pf6rsjcj61n5d0q80jl8h808nnx7i9qr-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/pf6rsjcj61n5d0q80jl8h808nnx7i9qr-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5q5jdp2f12q6wlslpljm9h19kz7zax5k-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   13.968339] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   14.002267] systemd-nsresourced[845]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   14.006077] 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/xahxrjs30p3mw0a42bqg9ikgkikskw8m-python3-3.14.8/bin/python3.14)
       > machine # [2026-10-23T03:12:08Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-23T03:12:08Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-23T03:12:08Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.25 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/pf6rsjcj61n5d0q80jl8h808nnx7i9qr-vm-test-run-systemd-nsresourced-mountfsd.drv