this derivation will be built:
  /nix/store/ydir20npxjp1r92jkigiv5n6ibjbalf7-container-test-run-flakelet-relay.drv
error: Cannot build '/nix/store/ydir20npxjp1r92jkigiv5n6ibjbalf7-container-test-run-flakelet-relay.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/prdwdgaiafrbgprimg3ch479m0fk4cjs-container-test-run-flakelet-relay
       Last 25 log lines:
       > 1790251034	70d9ed21da305f4b22d4267326a7352e	dev@example.org	agent/other:unchanged
       > 1790251034	b1f1bda563c13fa1a0977dffff4a9f37	dev@example.org	agent/other:unchanged
       > 1790251031	1e80f73d1cbf36e77e9eb96bd80d74d4	someone	agent/other:unchanged
       > 1790251028	a88ee4187cc3aed4b9f43615d3569972	repo:github:example/app:ref:refs/heads/main	agent/app:updated
       > 1790251025	f46c37388dded28a93e329ce6c334a4a	admin@example.org	agent/app:updated
       > 1790251022	local-app-1-1790251022	host activation	agent/app:updated
       > 1790251022	local-flakelet-agent-1-1790251022	host activation	agent/flakelet-agent:updated
       > 1790251022	local-other-1-1790251022	host activation	agent/other:updated
       >
       > Traceback (most recent call last):
       >   File "/nix/store/1pfwbz29g35j2afnmzzhnp99xjq1kqx9-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/1pfwbz29g35j2afnmzzhnp99xjq1kqx9-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/1pfwbz29g35j2afnmzzhnp99xjq1kqx9-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/1pfwbz29g35j2afnmzzhnp99xjq1kqx9-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 208, in <module>
       > AssertionError
       > Container relay terminated by signal KILL.
       For full logs, run:
         nix log /nix/store/ydir20npxjp1r92jkigiv5n6ibjbalf7-container-test-run-flakelet-relay.drv