these 10 derivations will be built:
  /nix/store/kd6x1qs8416mmnhw78r3w6n3z3710qa1-system-units.drv
  /nix/store/1zc8vbng2s5jz3diijzqbl7vma8pzp2f-etc.drv
  /nix/store/i2k4xxnxlz2wymclbg8msqp9amzmg6s7-activate.drv
  /nix/store/1bfibf1339wf7gcfrq42jxqbrf74nx6c-nixos-system-machine-test.drv
  /nix/store/82sc2d06rg9r3fphfkv3zh4j4g12i01m-closure-info.drv
  /nix/store/60kfw1c9v95jh4v0x0xnlg25mwqzsbk5-run-nixos-vm.drv
  /nix/store/bpf2n44yskr8afksg6fxwdqzfz3icd02-nixos-vm.drv
  /nix/store/7j63a48nygdkq32pnfya4y1a2y608f0f-driverConfiguration.json.drv
  /nix/store/3y85y9jrc8m97c595dhfszjd4x94il8i-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/03i0gpz2szbngya2mb11ma7089g1m45v-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/03i0gpz2szbngya2mb11ma7089g1m45v-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/g7g6iq35zjz4d5dkjn0q2l2ahdy8ya4z-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   15.274631] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   15.305288] systemd-nsresourced[847]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   15.309068] 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 # [2026-10-24T03:07:44Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-24T03:07:44Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-24T03:07:44Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 1.35 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/03i0gpz2szbngya2mb11ma7089g1m45v-vm-test-run-systemd-nsresourced-mountfsd.drv