these 25 derivations will be built:
  /nix/store/xjk9l76bsydhq687aiv5g20sar74n6wq-nix-grpc-daemon.conf.drv
  /nix/store/gvhajjrlrqxjzwsb69v7wgl24vwxjjwc-tmpfiles.d.drv
  /nix/store/6imdh8bv1z4zw22a66dqardysws2rg3k-X-Restart-Triggers-systemd-tmpfiles-resetup.drv
  /nix/store/bml1wppavrr3ryvrphmgsfq181dwrnc6-unit-systemd-tmpfiles-resetup.service.drv
  /nix/store/3cms4lly8v0w9a4sj3i11wdx10pd7fwq-system-units.drv
  /nix/store/29wa8l7xr0hczp7w3ydi9vc6d6vd11zr-etc.drv
  /nix/store/cnvvzp7yv6bfj632y171pdhn8nph3l2n-system-units.drv
  /nix/store/xwhhfwlnnzz0lijr764wzc7vzfjlzfg6-etc.drv
  /nix/store/vdydp6845a879n001akbxhawq5sqcghg-activate.drv
  /nix/store/afcczgh2nhazvp1ns3xdyc4gxhaigaal-nixos-system-worker2-test.drv
  /nix/store/ncf9bi2fhy9h41x0mbqd9rpkpx3ba4gm-system-units.drv
  /nix/store/vak31ranjp3mgazasblhgv7prsdg16vl-etc.drv
  /nix/store/kzmd1vga16iqmxvw2awfay1n9dhr4qcg-activate.drv
  /nix/store/2lnyi9lgq5c8z2zgrsc7sbby4avp9k9x-nixos-system-worker2-test.drv
  /nix/store/6x4qb1fmyy369zij84bz7m4x0hqznaz0-activate.drv
  /nix/store/rzk382b0cqwmxl90sxivf2kgzpz2ap59-nixos-system-worker1-test.drv
  /nix/store/wp3c9v0yz5427628vhq9if18gnmzr3aa-closure-info.drv
  /nix/store/4gk1nbn5yc0sczbl1kl7c1j2p6jx83li-run-nixos-vm.drv
  /nix/store/78g6k8lfzzarvsqisnn02a7hdvb4ynvm-nixos-vm.drv
  /nix/store/zq5c059zfi399vwxxab8ygbizibzy3pa-closure-info.drv
  /nix/store/xplmwz6yny8d6k77kfcdw64bfbx2cvn5-run-nixos-vm.drv
  /nix/store/pl0khafk1a4x7i5swflagfvh72r5pnpb-nixos-vm.drv
  /nix/store/ils8agxpiikfabh9bdw0y9zq3dsj602w-driverConfiguration.json.drv
  /nix/store/f56aqhp08qlb4mwpf9h6kkv37qpdxlw0-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/zxzjssa3svwqg8ac0gxldix8b60as73d-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/zxzjssa3svwqg8ac0gxldix8b60as73d-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/98z5h4dv3g85y4ap8y4nf0yidkk0hsi3-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmpaniivhvx/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmpaniivhvx/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/81dgbf2d9k9llajgi9597ahypdjn5iam-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/81dgbf2d9k9llajgi9597ahypdjn5iam-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 195, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/81dgbf2d9k9llajgi9597ahypdjn5iam-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 442, in run_tests
       >     self.test_script()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/81dgbf2d9k9llajgi9597ahypdjn5iam-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 400, in test_script
       >     exec(self.tests, symbols, None)
       >     ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >   File "<string>", line 51, in <module>
       >   File "<string>", line 10, in run_e2e
       >   File "/nix/store/lq2fsnmg0q3y0vlxn91w8s8wvj1m6fld-python3-3.14.8/lib/python3.14/subprocess.py", line 578, in run
       >     raise CalledProcessError(retcode, process.args,
       >                              output=stdout, stderr=stderr)
       > subprocess.CalledProcessError: Command '['/nix/store/hqg4l2dqk3im328d0zmlxkwpq47xxinp-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/zxzjssa3svwqg8ac0gxldix8b60as73d-vm-test-run-nix-grpc-farm.drv