these 10 derivations will be built:
  /nix/store/bbaz27pzjlb4zy6hkgz2mcqky8042w1a-system-units.drv
  /nix/store/2ba4yv0vfvavagy4fmjp5lq6dkivn1ky-etc.drv
  /nix/store/nxv6bk5ljmbaq6c220ay4i5xqm5q9s6m-activate.drv
  /nix/store/pxm2lskldiy226q749d4mdp7zgq55lcp-nixos-system-machine-test.drv
  /nix/store/xcivisn4cxd16b8l1fs8ql6387614vq7-closure-info.drv
  /nix/store/d743qsnfcdn5yzf4f8p0v65k4pz18kii-run-nixos-vm.drv
  /nix/store/vj65qcrg8lgvx4d70j6njp7h0j1kzr4i-nixos-vm.drv
  /nix/store/6xq2gd5ngzgvvskynki9f7rvc8agsbx1-driverConfiguration.json.drv
  /nix/store/r3lkxd5k2ac7zzlvkxyxqc6ac1li72gr-nixos-test-driver-systemd-nsresourced-mountfsd.drv
  /nix/store/03s0mvxzf2fx5yqlmvh2p71j3p38v8gz-vm-test-run-systemd-nsresourced-mountfsd.drv
error: Cannot build '/nix/store/03s0mvxzf2fx5yqlmvh2p71j3p38v8gz-vm-test-run-systemd-nsresourced-mountfsd.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d1l4j1qyd6g883wmbzkd6a1jy2l9qzvy-vm-test-run-systemd-nsresourced-mountfsd
       Last 25 log lines:
       > machine # [   15.485837] systemd[1]: Starting Namespace Resource Manager...
       > machine # [   15.518510] systemd-nsresourced[849]: Not setting up BPF subsystem, as functionality has been disabled at compile time.
       > machine # [   15.520121] 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 # [2026-10-22T03:08:07Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-22T03:08:07Z INFO  virtiofsd] Client disconnected, shutting down
       > machine # [2026-10-22T03:08:07Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.16 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/03s0mvxzf2fx5yqlmvh2p71j3p38v8gz-vm-test-run-systemd-nsresourced-mountfsd.drv