1this derivation will be built:2 /nix/store/l62ljzi83a1q1wa8lqrmz11fy05yiw59-container-test-ubuntu-26-04-restart-if-changed.drv3error: Cannot build '/nix/store/l62ljzi83a1q1wa8lqrmz11fy05yiw59-container-test-ubuntu-26-04-restart-if-changed.drv'.4 Reason: builder failed with exit code 1.5 Output paths:6 /nix/store/771xss5k8qg5zgrzdyxhmys3mp8kjbi7-container-test-ubuntu-26-04-restart-if-changed7 Last 25 log lines:8 > [ubuntu-26-04-restart-if-changed] [ OK ] Reached target getty.target - Login Prompts.9 > [ubuntu-26-04-restart-if-changed] 10 > [ubuntu-26-04-restart-if-changed]11 > [ubuntu-26-04-restart-if-changed] Ubuntu 26.04.1 LTS ubuntu pts/012 > [ubuntu-26-04-restart-if-changed]13 > Traceback (most recent call last):14 > File "/nix/store/dckppvyaygywla664igvsqpa1ngmq8h2-container-test-driver-0.0.1/bin/.container-test-driver-wrapped", line 9, in <module>15 > sys.exit(main())16 > ~~~~^^17 > File "/nix/store/dckppvyaygywla664igvsqpa1ngmq8h2-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/__init__.py", line 142, in main18 > driver.run_tests()19 > ~~~~~~~~~~~~~~~~^^20 > File "/nix/store/dckppvyaygywla664igvsqpa1ngmq8h2-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 235, in run_tests21 > self.test_script()22 > ~~~~~~~~~~~~~~~~^^23 > File "/nix/store/dckppvyaygywla664igvsqpa1ngmq8h2-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 231, in test_script24 > exec(self.testscript, self.test_symbols(), None)25 > ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^26 > File "<string>", line 1, in <module>27 > File "/nix/store/dckppvyaygywla664igvsqpa1ngmq8h2-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/driver.py", line 141, in start_all28 > machine.wait_for_boot()29 > ~~~~~~~~~~~~~~~~~~~~~^^30 > File "/nix/store/dckppvyaygywla664igvsqpa1ngmq8h2-container-test-driver-0.0.1/lib/python3.14/site-packages/test_driver/machine.py", line 185, in wait_for_boot31 > raise RuntimeError(msg)32 > RuntimeError: Timeout waiting for container ubuntu-26-04-restart-if-changed to boot (last status: nsenter: cannot open /proc/54/ns/cgroup: No such file or directory)33 For full logs, run:34 nix log /nix/store/l62ljzi83a1q1wa8lqrmz11fy05yiw59-container-test-ubuntu-26-04-restart-if-changed.drv