these 10 derivations will be built:
  /nix/store/bhv3hh03fx53mkps33zn4pzcmrbgjhf5-system-units.drv
  /nix/store/s06bkfczxsyrpnhj3rn67hqy9s1ig34w-etc.drv
  /nix/store/jck406c1p775183svk192zf59lr3rshn-activate.drv
  /nix/store/s7diglcd0gycw65v78y2r1bxzd55jkf4-nixos-system-machine-test.drv
  /nix/store/ypgi3yipcvxirpd15a6spn9nn3zxclww-closure-info.drv
  /nix/store/ybap5sc0q6q80x7i7d1w6k0cr99ilmv9-run-nixos-vm.drv
  /nix/store/s22qkbj4way5zj75mj22lmn3mwib974g-nixos-vm.drv
  /nix/store/kqwxdvjayx1l2mgyx4s4xq7fqrs0gjg6-driverConfiguration.json.drv
  /nix/store/0dmyq7xlbqqqw48yhblcz620qay8pkr8-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/91a1zi9wd4cr0gzj6wd1fczmnzyki78p-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/91a1zi9wd4cr0gzj6wd1fczmnzyki78p-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/nvg7mq84rw30yqfjkmfxczkpz2gqny2l-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   15.193327] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   15.226936] systemd-nsresourced[858]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   15.231701] 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 # [2026-10-21T03:10:58Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-21T03:10:58Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-21T03:10:58Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.15 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/91a1zi9wd4cr0gzj6wd1fczmnzyki78p-vm-test-run-systemd-nsresourced-mountfsd.drv