these 40 derivations will be built:
  /nix/store/wp496d82wa0xzvfb7rrgk7x64191v5jh-nix.conf.drv
  /nix/store/5yxkq48l4mvi2y4s2cfixr9z91ybdrm0-X-Restart-Triggers-nix-daemon.drv
  /nix/store/07021bwa225zy5c0hs7ansszflpibbra-unit-nix-daemon.service.drv
  /nix/store/34fq0sh3b4q2l5i5nim5kyc2pzj6y0iy-nix.conf.drv
  /nix/store/0vsw9drmbmwx6r8qz3ysdhy70yfr75ks-X-Restart-Triggers-nix-daemon.drv
  /nix/store/mk0iqaclygqa0ayiqc4gn4i330brldqi-unit-nix-grpc-daemon.service.drv
  /nix/store/vbwjpxrccpm2xxj4g7686cxxc6r5as6d-unit-nix-daemon.service.drv
  /nix/store/21gk390hb3z0d2a6aras2nbf7dvvw3im-system-units.drv
  /nix/store/i9813kjbm07nwxmjlsylcpysi2mgbv1d-unit-nix-grpc-daemon.service.drv
  /nix/store/88k5nz7wps40pvrkadw6k5xfx8sgxy7d-nix.conf.drv
  /nix/store/y9c2vri46p6pyashdbyixdmixxadkmzp-X-Restart-Triggers-nix-daemon.drv
  /nix/store/v763sdpl9y0s21dyrrqcknkyw2wx9bs8-unit-nix-daemon.service.drv
  /nix/store/2b1lax04zbbccvxhar89lm4l3pb0ir84-system-units.drv
  /nix/store/61mxfdda20v6dz44cdl43p6568r139is-system-units.drv
  /nix/store/kjvpwv2n0398vknsrsnl8ranp0kw6p68-etc.drv
  /nix/store/vzpa1z3nn53qdb6qvi5pmbqlmz1avdmi-activate.drv
  /nix/store/zncqmh6pbzgmp4ar7x4xjnlvlazhiz5g-nixos-system-client-test.drv
  /nix/store/zw06kqbxs01d2i8nl11fdk4sh9r61imr-closure-info.drv
  /nix/store/daa90hrvay622r5g2w8phpb17iqsrm43-run-nixos-vm.drv
  /nix/store/2w63jansvfvpqwiqaj2fwirvsf0mqkrg-nixos-vm.drv
  /nix/store/rvjm6x0c3mc8947y16x6xxgd69cwc8fs-etc.drv
  /nix/store/r553apwd4zk8l775knzg1ykb36xr5m49-activate.drv
  /nix/store/82m4lfs01d3k1amccjly3fx1vb9bxgv1-nixos-system-worker1-test.drv
  /nix/store/6gbx6h3kaw2604z469add7h2dwbighpw-closure-info.drv
  /nix/store/ybxaa896sk97dyms0d87lsqh75m29413-run-nixos-vm.drv
  /nix/store/7hqfvsfjn6qbl2i8ds4qzwz7zpj7m2m6-nixos-vm.drv
  /nix/store/risqji811xalxjb1yjgnyqzp73rlz3y5-etc.drv
  /nix/store/xsid4rkqf4y1afrhs0hk8zzllw8k0gdh-activate.drv
  /nix/store/l6638ginvfdyzfz8f8q4xbfcznx74v33-unit-nix-grpc-daemon.service.drv
  /nix/store/i9b1k8r0jgaxal0nkxc8px9ap606w1ld-system-units.drv
  /nix/store/65imbk3my1r5zc6m2ccdd8xi1r6lh59m-etc.drv
  /nix/store/xb58q1ygv6vzvmq1wkxawnvxdvx8myxg-activate.drv
  /nix/store/z2rpw5lp742dch66y6rmlf0xwaqav84i-nixos-system-worker2-test.drv
  /nix/store/ffrj95jjvlhxg96xfic648mrdzfrmzpy-nixos-system-worker2-test.drv
  /nix/store/vgzsxiki15wdhrm0x0bassv3l1zh73z4-closure-info.drv
  /nix/store/yidzsji4mvhn1jrzg82brcw2ar7zddsz-run-nixos-vm.drv
  /nix/store/83z9c7w7lbd2ia6bf6rr2sv56wpg0jra-nixos-vm.drv
  /nix/store/3my310gis5d1qp0ihq1dgvy9mkfn7xbd-driverConfiguration.json.drv
  /nix/store/5amv4yrxrnarg52h5r3gx5rfqs9z0y4f-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/71n7nfjvsbj1k20wnq9zj9zj9j4bwdvn-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/71n7nfjvsbj1k20wnq9zj9zj9j4bwdvn-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/nw8fm23zhzzjpbq88wnamy53lxqsz72f-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmpzzjjnr7f/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmpzzjjnr7f/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/9a3yrxim59m9dapm19bsk3bdicb7r8ah-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/71n7nfjvsbj1k20wnq9zj9zj9j4bwdvn-vm-test-run-nix-grpc-farm.drv