these 11 derivations will be built: /nix/store/0xn8ymb7pkq94jndl06zh0cil37cf4r8-system-units.drv /nix/store/12lkqxpfppkqvy52p2bv2xixyn6w8kx4-etc.drv /nix/store/f48bnqrbw6v0x9k488dq4nvsqnr4h7pk-activate.drv /nix/store/0gxf55ih32hhb463ia6ihw46qrrhvwz0-nixos-system-machine-test.drv /nix/store/1hdckisbywk2jsf2brsp0ap1gg293411-test-script.drv /nix/store/nsqgh91alnfchwki90krmyy2xq99fbcb-closure-info.drv /nix/store/51rgi8q8c95rjr36iw6mq2rsbv53rsn9-run-nixos-vm.drv /nix/store/4a6a15x84g49l2x8max0ycf18dzmlsxj-nixos-vm.drv /nix/store/si94718yx0kzg362pjfz0c6gdws0snnk-driverConfiguration.json.drv /nix/store/1c26bcnyqdvbgcnrbiv0g3j587qpy8n2-nixos-test-driver-systemd-nsresourced-mountfsd.drv /nix/store/cmp024pqvd66jbvpnrkmpiiwlz70rkwb-vm-test-run-systemd-nsresourced-mountfsd.drv error: Cannot build '/nix/store/cmp024pqvd66jbvpnrkmpiiwlz70rkwb-vm-test-run-systemd-nsresourced-mountfsd.drv'. Reason: builder failed with exit code 1. Output paths: /nix/store/lv4qvm788kh5pq9i2g73azm8fbs7sg90-vm-test-run-systemd-nsresourced-mountfsd Last 25 log lines: > machine # [ 17.473287] systemd[1]: Starting Namespace Resource Manager... > machine # [ 17.518964] systemd-nsresourced[837]: Not setting up BPF subsystem, as functionality has been disabled at compile time. > machine # [ 17.523062] systemd[1]: Started Namespace Resource Manager. > machine: (finished: must succeed: varlinkctl introspect /run/systemd/userdb/io.systemd.NamespaceResource, in 0.13 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 "", line 14, in > !!! 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-aarch64: terminating on signal 15 from pid 39 (/nix/store/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/bin/python3.14) > machine # [2026-10-16T02:51:23Z INFO virtiofsd] Client disconnected, shutting down > machine # [2026-10-16T02:51:23Z INFO virtiofsd] Client disconnected, shutting down > machine # [2026-10-16T02:51:23Z INFO virtiofsd] Client disconnected, shutting down > (finished: cleanup, in 0.13 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/cmp024pqvd66jbvpnrkmpiiwlz70rkwb-vm-test-run-systemd-nsresourced-mountfsd.drv