1these 11 derivations will be built:2 /nix/store/0xn8ymb7pkq94jndl06zh0cil37cf4r8-system-units.drv3 /nix/store/12lkqxpfppkqvy52p2bv2xixyn6w8kx4-etc.drv4 /nix/store/f48bnqrbw6v0x9k488dq4nvsqnr4h7pk-activate.drv5 /nix/store/0gxf55ih32hhb463ia6ihw46qrrhvwz0-nixos-system-machine-test.drv6 /nix/store/1hdckisbywk2jsf2brsp0ap1gg293411-test-script.drv7 /nix/store/nsqgh91alnfchwki90krmyy2xq99fbcb-closure-info.drv8 /nix/store/51rgi8q8c95rjr36iw6mq2rsbv53rsn9-run-nixos-vm.drv9 /nix/store/4a6a15x84g49l2x8max0ycf18dzmlsxj-nixos-vm.drv10 /nix/store/si94718yx0kzg362pjfz0c6gdws0snnk-driverConfiguration.json.drv11 /nix/store/1c26bcnyqdvbgcnrbiv0g3j587qpy8n2-nixos-test-driver-systemd-nsresourced-mountfsd.drv12 /nix/store/cmp024pqvd66jbvpnrkmpiiwlz70rkwb-vm-test-run-systemd-nsresourced-mountfsd.drv13error: Cannot build '/nix/store/cmp024pqvd66jbvpnrkmpiiwlz70rkwb-vm-test-run-systemd-nsresourced-mountfsd.drv'.14 Reason: builder failed with exit code 1.15 Output paths:16 /nix/store/lv4qvm788kh5pq9i2g73azm8fbs7sg90-vm-test-run-systemd-nsresourced-mountfsd17 Last 25 log lines:18 > machine # [ 17.473287] systemd[1]: Starting Namespace Resource Manager...19 > machine # [ 17.518964] systemd-nsresourced[837]: Not setting up BPF subsystem, as functionality has been disabled at compile time.20 > machine # [ 17.523062] systemd[1]: Started Namespace Resource Manager.21 > machine: (finished: must succeed: varlinkctl introspect /run/systemd/userdb/io.systemd.NamespaceResource, in 0.13 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/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/bin/python3.14)35 > machine # [2026-10-16T02:51:23Z INFO virtiofsd] Client disconnected, shutting down36 > machine # [2026-10-16T02:51:23Z INFO virtiofsd] Client disconnected, shutting down37 > machine # [2026-10-16T02:51:23Z INFO virtiofsd] Client disconnected, shutting down38 > (finished: cleanup, in 0.13 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/cmp024pqvd66jbvpnrkmpiiwlz70rkwb-vm-test-run-systemd-nsresourced-mountfsd.drv