this derivation will be built:
  /nix/store/3axmvazlfgwd38w0ainx8mvnyjlqknpy-python3.14-nixbot-tests.drv
error: Cannot build '/nix/store/3axmvazlfgwd38w0ainx8mvnyjlqknpy-python3.14-nixbot-tests.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jld22s00cjcvhhh3xxjm03vla2swirb0-python3.14-nixbot-tests-dist
         /nix/store/z1y6c5fkcmq0b14vwa558xy6zkiss6m6-python3.14-nixbot-tests
       Last 25 log lines:
       >                 raise EvalError(msg) from None
       >             raise
       >         stderr_text = stderr_bytes.decode(errors="replace")
       >
       >         if returncode != 0:
       >             tail = "\n".join(stderr_text.splitlines()[-50:])
       >             # No stderr substring match: that would misclassify evals
       >             # whose trace merely mentions "out of memory".
       >             if returncode in OOM_RETURN_CODES or cgroup_oom_killed(eval_cgroup):
       >                 msg = (
       >                     "evaluation ran out of memory (cgroup limit "
       >                     f"{settings.memory_limit_mib} MiB, "
       >                     f"{settings.worker_count} x {settings.max_memory_size_mib} "
       >                     "MiB workers); this is a permanent failure, reduce "
       >                     f"evaluation memory usage:\n{tail}"
       >                 )
       >                 raise EvalOOMError(msg)
       >             msg = f"nix-eval-jobs failed with exit code {returncode}:\n{tail}"
       > >           raise EvalError(msg)
       > E           nixbot.nix_eval.EvalError: nix-eval-jobs failed with exit code -7:
       >
       > nixbot/nix_eval.py:691: EvalError
       > =========================== short test summary info ============================
       > FAILED nixbot/tests/test_nix_eval.py::test_eval_runner_filters_configured_eval_systems[eval_systems0-expected_attrs0]
       > ================== 1 failed, 851 passed, 13 skipped in 29.67s ==================
       For full logs, run:
         nix log /nix/store/3axmvazlfgwd38w0ainx8mvnyjlqknpy-python3.14-nixbot-tests.drv