these 4 derivations will be built:
  /nix/store/1n0jz84ji4csb9wdvaqrmvw4nvw72bqq-test-script.drv
  /nix/store/4zkbrqh4mlhvd04h00ay540332jr331z-driverConfiguration.json.drv
  /nix/store/y57m4yqjvq25001ymwil4d9y5p8pilq7-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/7s6llv349br9mrmcf2w0d838vacd74kc-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: 7s6llv349br9mrmcf2w0d838vacd74kc-vm-test-run-nix-grpc-farm.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/7s6llv349br9mrmcf2w0d838vacd74kc-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/9dpib7p8ar24agdkp6y6k4cih0sbaphj-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >     worker1:  ssh -o User=root vsock-mux//build/tmpfbnuvzz4/worker1_host.socket
       >     worker2:  ssh -o User=root vsock-mux//build/tmpfbnuvzz4/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/d3bsqqyiqphqrb0s8sivc5iq46djqzda-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/d3bsqqyiqphqrb0s8sivc5iq46djqzda-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/d3bsqqyiqphqrb0s8sivc5iq46djqzda-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/d3bsqqyiqphqrb0s8sivc5iq46djqzda-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 39, in <module>
       >   File "<string>", line 10, in run_e2e
       >   File "/nix/store/3fl7bdkdxk2k4nssy1d1161isbzn6bsr-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/lmyd2gs2xm5zbix23ax02yashkj8qx26-nix-grpc-e2e/bin/nix-grpc-e2e', 'farm::independent::', '--test-threads=3', '--nocapture']' returned non-zero exit status 101.
       For full logs, run:
         nix log /nix/store/7s6llv349br9mrmcf2w0d838vacd74kc-vm-test-run-nix-grpc-farm.drv