these 42 derivations will be built:
  /nix/store/2f0rfkg4vnniphnnx20nii1s3kdby13j-nix.conf.drv
  /nix/store/4rzfnw4jpqp78gl5syzdp96dc71xvasw-unit-nix-grpc-daemon.service.drv
  /nix/store/91dg1knhyh62y15b0w2p9m5xq3afm02r-X-Restart-Triggers-nix-daemon.drv
  /nix/store/qbnjg765291qz2s2vgq0n77235zjjhbc-unit-nix-daemon.service.drv
  /nix/store/9mpsd0jpg4saplm41gflnc2hpbndhpwz-system-units.drv
  /nix/store/vx0sldp73iqnj9cn8crdkqanbpw5jx1z-etc.drv
  /nix/store/0dllnh02k3dlxg36vm4jjvlgw8q5dhpm-activate.drv
  /nix/store/f7kcxsxn8aakyn3rc7sbm14livxq3j8l-nix.conf.drv
  /nix/store/1jcnv29xfyd1lslz125akqks94mf050f-X-Restart-Triggers-nix-daemon.drv
  /nix/store/0yivi5njsihjmrq35zvnsw9pnpddz7ck-unit-nix-daemon.service.drv
  /nix/store/r1bm7hhxn163dlgzl75qs8p10hnldan8-unit-nix-grpc-daemon.service.drv
  /nix/store/12k2df785p2khq8v14mmb3jy0h8sx5ch-system-units.drv
  /nix/store/lx65as48ccmz43gplp186jlvfchg03b9-nix.conf.drv
  /nix/store/2gywhb1m43frzkqn8jsbsqp8n35zkjci-X-Restart-Triggers-nix-daemon.drv
  /nix/store/b797xrl6iw122wqbrzhvhaa3vzq401np-unit-nix-grpc-daemon.service.drv
  /nix/store/2xdll8hbv8iplns1p661qqkbgamdbwfb-system-units.drv
  /nix/store/h706cy50w0938giyzr3nh3gcx0bshb42-etc.drv
  /nix/store/iysamn4r49bn63hxknd6saqfmgp65yj8-activate.drv
  /nix/store/jsfdy10x0fjfa9gv917526553x6mwvha-etc.drv
  /nix/store/89ajp01m9qsiwms33n2vc4lpzs1xw56a-activate.drv
  /nix/store/z6wcynyr34yypws56012x3qkfm4n9spp-nixos-system-worker2-test.drv
  /nix/store/brlg4iqy3q1gjy0y2pgpcypwzbirz3mr-nixos-system-worker2-test.drv
  /nix/store/93s26qcsalgy3cn268zm2l3gg72dlph9-closure-info.drv
  /nix/store/byfi3zhx3zifz0mp5ihxdg187mnm0mjv-run-nixos-vm.drv
  /nix/store/2z5a6lb26g8llmj5vi7m8b4v63gysjn8-nixos-vm.drv
  /nix/store/qan5k9cr9j1m1qbmp608flqi18kxwl39-nix-grpc-e2e.drv
  /nix/store/ahzh55y04nbrxx5h0gs6n7mfhqrir32p-test-script.drv
  /nix/store/syh2z9afgxln5pr1ky8k6j1awbx3pnf7-nixos-system-worker1-test.drv
  /nix/store/n6i87iaf0qnhcmj45zrqrdv7awxm76pf-closure-info.drv
  /nix/store/9bb7k55p47pzs9kkkg012vszw58anzhl-run-nixos-vm.drv
  /nix/store/98hm0q4acxa13my5pnkrd2a8gy528r3h-nixos-vm.drv
  /nix/store/n2zj59f9qgyv404xcbiyd32gsgkpvsp8-unit-nix-daemon.service.drv
  /nix/store/rdvdfn1m5a19b2hyngrzvh81n1x2knvx-system-units.drv
  /nix/store/zjbz65ajgbkyw5rkabrp6q9q2hz04dfc-etc.drv
  /nix/store/f5lrlhssdkcbqwnyimls6z0lawpab36n-activate.drv
  /nix/store/lprd2l6nw8vf9pxglpm7pl1ni453wzv0-nixos-system-client-test.drv
  /nix/store/cch0d73snr55f2wgi3sw13ffbvh180pg-closure-info.drv
  /nix/store/yl770bljm1xm3r57p7ffim8r5g0xsa0m-run-nixos-vm.drv
  /nix/store/ckkl1x98ah4w2gd365l65a4msjbm1scj-nixos-vm.drv
  /nix/store/g4zmcx2d2h0rhldg5p2jza4b5xk6k9cn-driverConfiguration.json.drv
  /nix/store/py60a9wv1g476srw3fzm39gawn3jbfzg-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/6czq86dqaxaq1f2389gaxp5yr6d7xav5-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/6czq86dqaxaq1f2389gaxp5yr6d7xav5-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/q14md2ik548ssfinbq3bkj1pk2wz5hyc-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmp279pscl5/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmp279pscl5/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/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-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/bsfvpn8q2430b9gbcb0d939kswyw8fyr-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/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-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/dbmai9awaw8vvc2cv5g6ybvn74mj4fhf-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/6czq86dqaxaq1f2389gaxp5yr6d7xav5-vm-test-run-nix-grpc-farm.drv