these 40 derivations will be built:
  /nix/store/2gbhw44p55isjx4zb1pmbv69yxw2msh5-unit-nix-grpc-daemon.service.drv
  /nix/store/g8w1b49fppzyx46mpxcsv2vfxp8rmkrw-nix.conf.drv
  /nix/store/jq7xcmxi3i8bwzy6jbfspa300s6vdgjb-X-Restart-Triggers-nix-daemon.drv
  /nix/store/vwy8p0n8gss08qzmhyh9ddkvf0fxkxci-unit-nix-daemon.service.drv
  /nix/store/d8c6wv6agmlg1i325f679795ymz5an68-system-units.drv
  /nix/store/8v537n1jwsq6zi7p19drp4vnmb7icdq2-etc.drv
  /nix/store/kpz7nrb6nz8ggacwarzkkv1vc8fz0s2i-activate.drv
  /nix/store/kxnswjm18g2mwpzqk3xr1lxj1v4v3nvd-nixos-system-worker2-test.drv
  /nix/store/jjryb14v4vwj2lmgb2mvdnd25v5414vh-unit-nix-grpc-daemon.service.drv
  /nix/store/n14k1h0wh1fb3cpviypjrfy4rqjgrixz-system-units.drv
  /nix/store/lnbznfvvyasnbqlz7dsca67hfv76x9cd-etc.drv
  /nix/store/x2qpqfd4zy9a5zwkc9q5v3bqfspjnghy-activate.drv
  /nix/store/fbqxnbpw3rwk87q8s1f5hw34gkfsi71k-nixos-system-worker2-test.drv
  /nix/store/8g65rmlvn4q8mw549zn4zkjz305n11c1-closure-info.drv
  /nix/store/0x1llnpaqkxw7b86xvxv3j9dwdhl3ky0-run-nixos-vm.drv
  /nix/store/3rw1abzc0chwprn6lahpsvj7gb3fyibs-nixos-vm.drv
  /nix/store/892lkn6xirp3gr631fwv0b2wzr8mianc-unit-nix-grpc-daemon.service.drv
  /nix/store/xxv5iw2ff1vg75d9m3dygxmk7s43zzcf-nix.conf.drv
  /nix/store/3ci4yl940vivjl6kil8a4jvcv48i2gcd-X-Restart-Triggers-nix-daemon.drv
  /nix/store/dgczr3x175qj61qbwrvlpvd6024mqsvv-unit-nix-daemon.service.drv
  /nix/store/c5f6j5nmr1cxi6lzizhjks0v1rppj4q8-system-units.drv
  /nix/store/j2inrydarsdvg9by4la5kw08vg4jpz2y-etc.drv
  /nix/store/57z6lv2cny7mws7z4ipl2a8mpzsv6ghp-activate.drv
  /nix/store/5i3zi6m7qi3l4h9zww2gy9i7pbh3vxmn-nixos-system-worker1-test.drv
  /nix/store/ib96ny92xqn0k0bwpr67fm8ni045x9kz-closure-info.drv
  /nix/store/86ak8w0na66p003g088ii0yw6y0cpk6p-run-nixos-vm.drv
  /nix/store/9lwf18gfrpbb29hd6aw53lfl0255fnkq-nixos-vm.drv
  /nix/store/r0zdc9v73pibsmgqnd7gw57ixd0db6l0-nix.conf.drv
  /nix/store/z5gb9b4bww9ija9g67qwq173g4ssiwr4-X-Restart-Triggers-nix-daemon.drv
  /nix/store/j7bx4ay043kyp6qd6a6xxmyzbhc865qx-unit-nix-daemon.service.drv
  /nix/store/alyqz2kk1al9a5nx3cyrhjjp2rz5c8hs-system-units.drv
  /nix/store/y47ys972kb52wn4vnz7j5bkmw2p9xa86-etc.drv
  /nix/store/rhffls19ccksdib82va4r6xz4nynspwa-activate.drv
  /nix/store/7wixr7x6zrjpcwjkwv9q2rfqlpswm54x-nixos-system-client-test.drv
  /nix/store/982s6nrgrb6jfs1n36b8brrnr18kzwcn-closure-info.drv
  /nix/store/lngd8xmlxbh1i3wkidm18b0m9rw7q7s3-run-nixos-vm.drv
  /nix/store/yy72zfzi17nfgmz9hm6v9gv6ii4gbjz4-nixos-vm.drv
  /nix/store/gyi61bvm3ym0waja8zhf6z5bjc96i92n-driverConfiguration.json.drv
  /nix/store/08zgciabaaalr1zh3d6fvwbsp6hpsdlk-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/xyimb7fa6wjabi66279xsryl21bl8xz0-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/xyimb7fa6wjabi66279xsryl21bl8xz0-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rbys99wcmz59hbg9zbcx4b9nj6103ibn-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmp8iyx1gix/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmp8iyx1gix/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/xyimb7fa6wjabi66279xsryl21bl8xz0-vm-test-run-nix-grpc-farm.drv