these 25 derivations will be built:
  /nix/store/35km5yl13znvpcvfn1h3jxlrj5d80hx4-system-path.drv
  /nix/store/ccspapbwhbgc6khn35s78fqqr2nb7fnq-nixos-tmpfiles.d.drv
  /nix/store/1svm6v9yqsg9y3rg6kyddn3bdpv5jn7d-tmpfiles.d.drv
  /nix/store/mj89nrjbw8kim1sq1ax96nmihl6l7xv0-dbus-1.drv
  /nix/store/s3ijp4bmd7i2fz56xl3q14diwgn3n3yx-X-Restart-Triggers-dbus-broker.drv
  /nix/store/b0b9mx7izg4dzl759bzshmxcra0jvs43-unit-dbus-broker.service.drv
  /nix/store/lxp0mb0vyqx2qbxn6vqnyh098l3va741-user-units.drv
  /nix/store/6c4ambf5r67y8zs884whx4vm8v4jfk8j-unit-machines.target.drv
  /nix/store/8k0hx1x83yfhx1kryxb5h6snwcaiv8gq-unit-dbus-broker.service.drv
  /nix/store/hfjv58k9dvr4q9h64s2h4i83axp3c3w4-X-Restart-Triggers-systemd-tmpfiles-resetup.drv
  /nix/store/wh5xd2drqm4x55grii4dm9715dadp3x5-unit-systemd-tmpfiles-resetup.service.drv
  /nix/store/p0b8zwvlqkbyn5wr5zkm2c997706ddjp-system-units.drv
  /nix/store/p8hqszs8dyjxcxzb041ppkwgvs1y1sj5-container-init.drv
  /nix/store/bkdc3gf2iwh388hfzg06f1agbi4vjfi3-unit-testcontainer.nspawn.drv
  /nix/store/qzjh3pfjnk0bgrzgj3xmrgyxzh7y3g1l-nspawn-units.drv
  /nix/store/y7b5k1fnah5l783krh05pym570daydfa-etc.drv
  /nix/store/6jdvgq5fnm4cya2f4c2a5x2n6x5192m7-activate.drv
  /nix/store/1jqzshmj54q6f8fvgnkg2w7gd7rhww6d-nixos-system-server-test.drv
  /nix/store/7hd8jbxqnihq01ssiv52dj6vqajalzzm-test-script.drv
  /nix/store/hyqk5i159p21xah81yf9ci2via64v0gs-closure-info.drv
  /nix/store/hjy6g2plxqrzmbhspnqzlsdbpms7s31f-run-nixos-vm.drv
  /nix/store/n5xvq6jdqd97pavagyc9wm3gcsqzw5m0-nixos-vm.drv
  /nix/store/4r0qnfz7fsii6pyf0nqi1mla713k47m6-driverConfiguration.json.drv
  /nix/store/xwvb81jigai89z7az1myip1ki2s0r38n-nixos-test-driver-nspawn.drv
  /nix/store/jgwndb3n1b90d20fwla5viknianfg58s-vm-test-run-nspawn.drv
error: Cannot build '/nix/store/jgwndb3n1b90d20fwla5viknianfg58s-vm-test-run-nspawn.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/wg9j63sp4lhp6w8dscm5ys3s2yy5y0rm-vm-test-run-nspawn
       Last 25 log lines:
       > server # [   11.958938] cfg80211: failed to load regulatory.db
       > server # [   11.736105] systemd[1]: Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
       > server # [   12.028264] 8021q: adding VLAN 0 to HW filter on device eth0
       > server # [   11.791197] dhcpcd[668]: eth0: waiting for carrier
       > server # [   11.792857] dhcpcd[668]: eth0: carrier acquired
       > server # [   11.804331] dhcpcd[668]: DUID 00:01:00:01:31:e7:46:79:52:54:00:12:34:56
       > server # [   11.806366] dhcpcd[668]: eth0: IAID 00:12:34:56
       > server # [   11.807924] dhcpcd[668]: eth0: adding address fe80::5054:ff:fe12:3456
       > server # [   12.186798] dhcpcd[668]: eth0: soliciting a DHCP lease
       > server # [   12.467627] NET: Registered PF_PACKET protocol family
       > server # [   12.240343] dhcpcd[668]: eth0: offered 10.0.2.15 from 10.0.2.2
       > server # [   12.245637] dhcpcd[668]: eth0: probing address 10.0.2.15/24
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 2, in <module>
       > !!!     server.wait_for_unit("systemd-nspawn@testcontainer.service")
       > !!! 
       > !!! RequestedAssertionFailed: unit "systemd-nspawn@testcontainer.service" reached state "failed"
       > cleanup
       > kill QemuMachine (pid 46)
       > server # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/jxyrvv4gbpnp3ap5iy7wxwl1sg4x2x88-python3-3.14.6/bin/python3.14)
       > (finished: cleanup, in 0.14 seconds)
       > additionally exposed symbols:
       >     server,
       >     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/jgwndb3n1b90d20fwla5viknianfg58s-vm-test-run-nspawn.drv