these 34 derivations will be built:
  /nix/store/6rdjny13i7d56sh63bcbmcxykvq91ih4-niks3-server-1.4.0.drv
  /nix/store/rl2vav31vs81zz13i2wh73rm3pnq48y2-unit-niks3.service.drv
  /nix/store/z6mlg0x1gy6icpis15scn84vinrh4b4m-unit-niks3-gc.service.drv
  /nix/store/i8wfz5amwkmrgr0xsdm8s59bxw80gdcj-system-units.drv
  /nix/store/1pbmg1xksq27km3iiv5lgnjr4bgj2ggx-etc.drv
  /nix/store/4c3lvbzz7ydqd1ra5nar64z98dp70ffr-activate.drv
  /nix/store/8h3j1adljzz600i60vcgc9i3425wwn2v-nixos-system-lb-test.drv
  /nix/store/4a6q25zhz8c3fb867xvl2x708603rs1f-closure-info.drv
  /nix/store/2wxn5ybr7rcr02ng44przarjm5v5iwdl-run-nixos-vm.drv
  /nix/store/2v0wimlfmkdsffwsyykwm3mp1xfa057s-nixos-vm.drv
  /nix/store/dqm0g90xqh3diw93vrqiqrsgaqhr1blv-unit-nix-grpc-daemon.service.drv
  /nix/store/x383gjpvlpkk1nnsp52v4zpzql33d75y-system-units.drv
  /nix/store/3vbspk0775n53ravnqjcm7s2129sjydh-etc.drv
  /nix/store/3h14rsjjp76fln5bdl6arr7irimvsv3n-activate.drv
  /nix/store/hbnlp0bmpn7h4cpyq3n8qpg0sbyp5bay-nixos-system-worker2-test.drv
  /nix/store/g00sqhp0kxkjkh4s6zf4gm42cgl3nzga-unit-nix-grpc-daemon.service.drv
  /nix/store/d5d99a1s3cmmnc5hpmkb1ch6mhyxp7pv-system-units.drv
  /nix/store/radwk5xhzk5ia5xk5ckv4bhkvybaj9zy-etc.drv
  /nix/store/qnc4vvrbvaai6jjamxjdl0598msd4ncn-activate.drv
  /nix/store/hjmcfpw3pdvw22ypz99x2lyq2yvk2n9g-nixos-system-worker2-test.drv
  /nix/store/8bw71llj5xm5ql7g55y0abvm2wma1mwn-closure-info.drv
  /nix/store/4r1y2absqn8azm2nis33j8skmx5acw7i-run-nixos-vm.drv
  /nix/store/5psx2z0wax89356j99d5d1q3pndpyyb2-unit-nix-grpc-daemon.service.drv
  /nix/store/k04b6ym0yph4q5h9acls2nhkpfvggcp3-system-units.drv
  /nix/store/jg67r80a8jk6x2mygksqfkms11807fbc-etc.drv
  /nix/store/ykf8clr22j92h9v9kcpqpg16hmwaryj1-activate.drv
  /nix/store/apjhippbyj7z9wxkdcschc893c7vh31x-nixos-system-worker1-test.drv
  /nix/store/kxpnjx97i9r6q0rmml14drx87gfzk9pw-closure-info.drv
  /nix/store/gnbck8kpvpv1p7lykx1rls28q7s44k8b-run-nixos-vm.drv
  /nix/store/5nbj3q71g16arsrd3y721x3wpfwzhaxy-nixos-vm.drv
  /nix/store/r7bdp2b53gj4kjf2xf91a3z15f03zcdi-nixos-vm.drv
  /nix/store/l6slpcdy19prnwpmk73cd3xdy25faldm-driverConfiguration.json.drv
  /nix/store/i3yyrgxwkp3c40sdjs9v753fjii5jfin-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/pgnrnnip5yz8hr71nqrx7qr7njn4ndjr-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/pgnrnnip5yz8hr71nqrx7qr7njn4ndjr-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/y7zcl0is5121qvkkpar8d2jpfbidsf6j-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmp0y8l0qx5/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmp0y8l0qx5/worker2_host.socket
       > additionally exposed symbols:
       >     client, lb, worker1, worker2,
       >     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
       > Traceback (most recent call last):
       >   File "/nix/store/sriy4r0q27j8r84xmfnwwzc7q3jqgm4m-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/sriy4r0q27j8r84xmfnwwzc7q3jqgm4m-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/sriy4r0q27j8r84xmfnwwzc7q3jqgm4m-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 437, in run_tests
       >     self.test_script()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/sriy4r0q27j8r84xmfnwwzc7q3jqgm4m-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 395, in test_script
       >     exec(self.tests, symbols, None)
       >     ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >   File "<string>", line 42, in <module>
       >   File "<string>", line 10, in run_e2e
       >   File "/nix/store/d64q19q1xjdwfhqx6czvrjgrhq0n3lcc-python3-3.14.7/lib/python3.14/subprocess.py", line 578, in run
       >     raise CalledProcessError(retcode, process.args,
       >                              output=stdout, stderr=stderr)
       > subprocess.CalledProcessError: Command '['/nix/store/gwpp6jayh1zvddkjqi1fdz2iqkwdkn8f-nix-grpc-e2e/bin/nix-grpc-e2e', 'farm::serial::', '--test-threads=1', '--nocapture']' returned non-zero exit status 101.
       For full logs, run:
         nix log /nix/store/pgnrnnip5yz8hr71nqrx7qr7njn4ndjr-vm-test-run-nix-grpc-farm.drv