these 40 derivations will be built:
  /nix/store/ah997lhxhhhbbqpsbqgwhp744bir87qz-nix.conf.drv
  /nix/store/n3h6igdr7m23dglnlfg7zm5p2l71q5s3-X-Restart-Triggers-nix-daemon.drv
  /nix/store/1vs6spskajfliqk0h4dwpf5pd6mgc8fb-unit-nix-daemon.service.drv
  /nix/store/3d16r2mqnkiaajylv3g1wms1cgc6cipb-unit-nix-grpc-daemon.service.drv
  /nix/store/d8yqp1hb1xpkzz4ilrndvd9408zg9dm7-system-units.drv
  /nix/store/7ics52g6w4qlf2jnfz4abryy2kim7mfr-etc.drv
  /nix/store/05v1w06hg7gbzligg7wnff47ighd7q8a-activate.drv
  /nix/store/a0qsw8czrh0gs49dpphka7zkm7vnk357-unit-nix-grpc-daemon.service.drv
  /nix/store/ba6d4a7dgsb24m1vwajccc2bdjff592r-system-units.drv
  /nix/store/hag8w5brzx1xhv8s9qm0pq79gzmzgbd4-etc.drv
  /nix/store/ksjv18g7c5nd6zdxdzjijwmsqj876scd-activate.drv
  /nix/store/kyx7lj5x1j2qjlnmzagc1qagl9q3anpc-nixos-system-worker2-test.drv
  /nix/store/myvlczkkfl7ym9raakw7rpp1zwm617xb-nixos-system-worker2-test.drv
  /nix/store/bb9i1apx8vc04spji2dd1n8gj3jbhh8p-closure-info.drv
  /nix/store/4790lmzbbbx85mnfsi1qpp3r2x8g1xgx-run-nixos-vm.drv
  /nix/store/vzxipnap8pv3wm5mb9nddwgl5h6cm2z0-nix.conf.drv
  /nix/store/ypc0dy1c493gx0xalsy1knss0sr1l88b-X-Restart-Triggers-nix-daemon.drv
  /nix/store/61h3ddnbb2sbskfnnsxqg74lv1288i7d-unit-nix-daemon.service.drv
  /nix/store/61p21lm043d8wj2b2nd10pg1cakm5qzp-unit-nix-grpc-daemon.service.drv
  /nix/store/dw0ls72m62r0w7fq76jccs0qxcabwcjn-system-units.drv
  /nix/store/4al4cp9lpn5w24w7gghw7sgczl91px2d-etc.drv
  /nix/store/94wf70922drmznh01kbifgkc7jh7jxh6-nix.conf.drv
  /nix/store/ksnsmi1ad4ayv7djik3wz66zxpqwrcgv-X-Restart-Triggers-nix-daemon.drv
  /nix/store/hr97v7d0z5mnci0g2pqbqi5lr2lnqsm4-unit-nix-daemon.service.drv
  /nix/store/cb1sklmzkc4x796aah6gvczd09y2f2n2-system-units.drv
  /nix/store/5lkzwy5shnannh1mf16w5xv1cn3x64a1-etc.drv
  /nix/store/qyznhn1dyzbdhra38d8l4nz051z8m7fc-activate.drv
  /nix/store/j5vifzv004bz53z5dy43q4w7azdgg3p0-nixos-system-client-test.drv
  /nix/store/grvzkhfkcsbl2jjqhpzm47sv122pwjad-closure-info.drv
  /nix/store/wd4m5nsvzky8vdljpvrrj1mr290wda9x-run-nixos-vm.drv
  /nix/store/p3hr8j58hby7vw0qlz0kkr47478m8lqd-nixos-vm.drv
  /nix/store/xr5a51v9azzq0j0q03zc627kkfg4shzd-activate.drv
  /nix/store/h00yb7nll8lq1lgdpsz70c7n3y22ggwr-nixos-system-worker1-test.drv
  /nix/store/zbmxbfwgj7mq7lgvla5x4sxzjgjw51dk-closure-info.drv
  /nix/store/fzgdqxkqw5mlh9683vdc5m0nfb9rasxs-run-nixos-vm.drv
  /nix/store/sjfi216ddlkdgi9f8dcyidqyzxrd4cll-nixos-vm.drv
  /nix/store/vflm7zjwxml8vl24g081f17lx80jz4qv-nixos-vm.drv
  /nix/store/s256w3g3b8hhpdmz3j30vrqsakw094vl-driverConfiguration.json.drv
  /nix/store/88ms12ncmlq6vskmagw1ni1f9mn7qf0d-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/85r5fq5ps9zj9plvrqfmbhdnkx370yyf-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/85r5fq5ps9zj9plvrqfmbhdnkx370yyf-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5n8rhdnc9m14x7rilhmv076g1w3lscrc-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmpfxpx3r6u/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmpfxpx3r6u/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/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-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/hgh6bdm48cnkzdv3ahvrdswdd0azc31a-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/02c5vhnm42606hqnrlimcfd9x98n7zvn-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/85r5fq5ps9zj9plvrqfmbhdnkx370yyf-vm-test-run-nix-grpc-farm.drv