these 40 derivations will be built:
  /nix/store/8wpp8az0rxpvvls43ng8331xvizljzvp-nix.conf.drv
  /nix/store/a0jk777pr3b407xsij7zfy5m3a993f2j-X-Restart-Triggers-nix-daemon.drv
  /nix/store/14wgkmn9vsbwli30p1m1q5bzic00y1w2-unit-nix-daemon.service.drv
  /nix/store/7jq5vj2da2wa1pd8l1z1hrdh2v89lzar-unit-nix-grpc-daemon.service.drv
  /nix/store/vkapr0qh27sn6gvkyzdjdra6p2241nf3-system-units.drv
  /nix/store/gyzd0rpimjacfxla0wwwhbgiajx2gh1i-etc.drv
  /nix/store/11fpagn8kb0ib4m25p8yjvpjlms4if6y-activate.drv
  /nix/store/hsn7brgggv65lzynqcjbbgcald4ggqs6-nix.conf.drv
  /nix/store/kg5j3fgi0fkrmcfn4yc81jc7q1lbpbgr-unit-nix-grpc-daemon.service.drv
  /nix/store/iv06ihy5xf6ndhi6ygs5b8p25x5kkaxm-X-Restart-Triggers-nix-daemon.drv
  /nix/store/l0gqnzr2nym04s6d7qlrmi1m1xsw47dh-unit-nix-daemon.service.drv
  /nix/store/r1qp6sv8l0ickqzridcwp2m0ii7a4ljr-system-units.drv
  /nix/store/nkpqmdn4kxcw8a7ywsa3mjqxs5m47d4a-etc.drv
  /nix/store/r9zigrd665f1gh5qwfalhrds414gg673-activate.drv
  /nix/store/zlmxrx98vn7p0z5s1xm8p16ir9x2kf1v-nixos-system-worker1-test.drv
  /nix/store/2rsw5kafwyfvkiam1gw5hbi4jm61rjc1-closure-info.drv
  /nix/store/1f11x7rzfknd46anz39dfqadkvr3px92-run-nixos-vm.drv
  /nix/store/swh77zi2f1sf0r0blicpb32ijz90a987-nix.conf.drv
  /nix/store/b7k0j5y84g1b1b8lnghfvc19zhv2aajv-X-Restart-Triggers-nix-daemon.drv
  /nix/store/q6yhhbfaqzgzvi517jl0k26m6dfjvs8x-unit-nix-daemon.service.drv
  /nix/store/2x5dicdkx00ycj59pivyn716pznsk1fb-system-units.drv
  /nix/store/wp1fy0ywcm8iip1igk1h9f9h63k3lwsq-etc.drv
  /nix/store/22k639ndh9gh323j3lk2i0i411q6q1hd-activate.drv
  /nix/store/hnqmj4yy6ipid8kplnrkr1mh48dmkhmm-nixos-system-client-test.drv
  /nix/store/h7cj17nwh52krwvplch1wcjyhr8wiadd-closure-info.drv
  /nix/store/vm75rjqm6dq69k20fmlr0ni1ss1g712n-run-nixos-vm.drv
  /nix/store/bnk22zcm1cwq7qdvgicpaf0ir2l4l33l-nixos-vm.drv
  /nix/store/hwxd8nzf6mkci672ni3wlyr1ybbz8ym4-nixos-system-worker2-test.drv
  /nix/store/zsjan3zdc7bk3jzkld1dhlkcanmxxapd-unit-nix-grpc-daemon.service.drv
  /nix/store/inlg5p03nnf39m27hv3g0yzhczlk020m-system-units.drv
  /nix/store/rz5cy7k58c56d0n2a5alqm21cp5gkr7a-etc.drv
  /nix/store/kxwrdvwf5bjsp2ysjaqqkfrgj6kn5jh2-activate.drv
  /nix/store/hsdp71a6wvlyc95cd6k1qcip5k8in61z-nixos-system-worker2-test.drv
  /nix/store/rr422z78awc09bwfjhfhbnzkz0brawxm-nixos-vm.drv
  /nix/store/wfh81pf1mkg0i8xplaycq0frxqqhhph8-closure-info.drv
  /nix/store/z2p5k2n6hgzx030r3rn9zq7zag9j96q8-run-nixos-vm.drv
  /nix/store/zs31cknz79xyvbaksxvyxj7nh5ds1zfv-nixos-vm.drv
  /nix/store/s4gw2lkwqkzxb3bvxib9hvp6f7ih78fh-driverConfiguration.json.drv
  /nix/store/xcna7y2p70l0l9agqvppigq64kcwc0nw-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/kv25dwp3f8x30pyzfjk8k0yp0palh7n0-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/kv25dwp3f8x30pyzfjk8k0yp0palh7n0-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/qivcsbhgypk7x40csyyxhx95dgff8pjh-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmpuhvdzf8i/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmpuhvdzf8i/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/r2r0lyypbamx7mzpb4853lcn9a540acv-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/r2r0lyypbamx7mzpb4853lcn9a540acv-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/r2r0lyypbamx7mzpb4853lcn9a540acv-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/r2r0lyypbamx7mzpb4853lcn9a540acv-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/v66cpphknsv5mb82cxnnyj05yimv9rgw-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/kv25dwp3f8x30pyzfjk8k0yp0palh7n0-vm-test-run-nix-grpc-farm.drv