1these 11 derivations will be built:2 /nix/store/zmn693pz2k7w3nz9i5k9j0p08sj8cgl0-system-units.drv3 /nix/store/7gm2nsjyprc6jdwkciaxxw74i8sj86kj-etc.drv4 /nix/store/r0nip1pmar3jhdk908wq2ywg3amv9fjb-activate.drv5 /nix/store/hbbz4ldfk18pk6j5cdi5ciagh1f64gff-nixos-system-machine-test.drv6 /nix/store/dgkz5qpqba0wwn94rl069hj0pg5zx7sb-closure-info.drv7 /nix/store/nfjhifd1b1xkskk0nf2i1pxvlwjg7757-run-nixos-vm.drv8 /nix/store/h96ylv1ifgf0c5a1aq60vfini6myw2jb-nixos-vm.drv9 /nix/store/nmvsj43y82cs40vs7s1wy3aasc69r7yv-test-script.drv10 /nix/store/hy1aj4nn3jj5bid9qzcyblf85qmmham1-driverConfiguration.json.drv11 /nix/store/22nl40879x39pd3wsl2s18bin98zn9h5-nixos-test-driver-systemd-nsresourced-mountfsd.drv12 /nix/store/l7rk3i27xwlzqs907dmmapgladni96yh-vm-test-run-systemd-nsresourced-mountfsd.drv13error: Cannot build '/nix/store/l7rk3i27xwlzqs907dmmapgladni96yh-vm-test-run-systemd-nsresourced-mountfsd.drv'.14 Reason: builder failed with exit code 1.15 Output paths:16 /nix/store/ksd5x6x23n9na32sddyx8dn9q3p3vv73-vm-test-run-systemd-nsresourced-mountfsd17 Last 25 log lines:18 > machine # [ 22.725808] systemd[1]: Starting Namespace Resource Manager...19 > machine # [ 22.774006] systemd-nsresourced[859]: Not setting up BPF subsystem, as functionality has been disabled at compile time.20 > machine # [ 22.778734] systemd[1]: Started Namespace Resource Manager.21 > machine: (finished: must succeed: varlinkctl introspect /run/systemd/userdb/io.systemd.NamespaceResource, in 0.14 seconds)22 > 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_map23 > machine # Method call io.systemd.NamespaceResource.AllocateUserRange() failed: io.systemd.NamespaceResource.UserNamespaceInterfaceNotSupported24 > machine: output: {}25 >26 > !!! 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)"27 > !!! Traceback (most recent call last):28 > !!! File "<string>", line 14, in <module>29 > !!! machine.succeed(30 > !!! 31 > !!! 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)32 > cleanup33 > kill QemuMachine (pid 45)34 > machine # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lq2fsnmg0q3y0vlxn91w8s8wvj1m6fld-python3-3.14.8/bin/python3.14)35 > machine # [2026-10-20T03:08:56Z INFO virtiofsd] Client disconnected, shutting down36 > machine # [2026-10-20T03:08:56Z INFO virtiofsd] Client disconnected, shutting down37 > machine # [2026-10-20T03:08:56Z INFO virtiofsd] Client disconnected, shutting down38 > (finished: cleanup, in 0.44 seconds)39 > additionally exposed symbols:40 > machine,41 > vlan1,42 > 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_ssh43 For full logs, run:44 nix log /nix/store/l7rk3i27xwlzqs907dmmapgladni96yh-vm-test-run-systemd-nsresourced-mountfsd.drv