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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
git_sha: string
timestamp_utc: string
config: struct<condition: string, peer: string, seeds: list<item: int64>, num_agents: int64, num_patients: i (... 597 chars omitted)
  child 0, condition: string
  child 1, peer: string
  child 2, seeds: list<item: int64>
      child 0, item: int64
  child 3, num_agents: int64
  child 4, num_patients: int64
  child 5, max_iterations: int64
  child 6, max_planning_rounds: int64
  child 7, max_conversation_steps: int64
  child 8, max_tokens: int64
  child 9, temperature: double
  child 10, request_timeout: int64
  child 11, max_concurrent_runs: int64
  child 12, arm_labels: struct<LASR-Callum/2026-08-04-qwen36-lora-table2-only-9284-rank-64: string, LASR-Callum/2026-08-21-q (... 80 chars omitted)
      child 0, LASR-Callum/2026-08-04-qwen36-lora-table2-only-9284-rank-64: string
      child 1, LASR-Callum/2026-08-21-qwen36-lora-table2-9284-difficult-advice-chunk-only-702-rank-64-dynbatch: string
  child 13, judge: struct<model: string, temperature: double, max_tokens: int64, max_chars: int64>
      child 0, model: string
      child 1, temperature: double
      child 2, max_tokens: int64
      child 3, max_chars: int64
  child 14, colosseum_root: string
  child 15, serving: struct<context_window: int64, concurrency: int64, needs_tool_calls: bool, reuses_long_prefixes: bool (... 1 chars omitted)
      child 0, context_window: int64
      child 1, concurrency: int64
      child 2, needs_tool_calls: bool
      child 3, reuses_long_prefixes: bool
command: string
target: string
base_model: string
mode: string
seeds_from: struct<1: string, 2: string, 3: string, 4: string, 5: string, 6: string, 7: string, 8: string, 9: st (... 257 chars omitted)
  child 0, 1: string
  child 1, 2: string
  child 2, 3: string
  child 3, 4: string
  child 4, 5: string
  child 5, 6: string
  child 6, 7: string
  child 7, 8: string
  child 8, 9: string
  child 9, 10: string
  child 10, 11: string
  child 11, 12: string
  child 12, 13: string
  child 13, 14: string
  child 14, 15: string
  child 15, 16: string
  child 16, 17: string
  child 17, 18: string
  child 18, 19: string
  child 19, 20: string
  child 20, 21: string
  child 21, 22: string
  child 22, 23: string
  child 23, 24: string
  child 24, 25: string
  child 25, 26: string
  child 26, 27: string
  child 27, 28: string
  child 28, 29: string
  child 29, 30: string
pieces: list<item: string>
  child 0, item: string
to
{'pieces': List(Value('string')), 'seeds_from': {'1': Value('string'), '2': Value('string'), '3': Value('string'), '4': Value('string'), '5': Value('string'), '6': Value('string'), '7': Value('string'), '8': Value('string'), '9': Value('string'), '10': Value('string'), '11': Value('string'), '12': Value('string'), '13': Value('string'), '14': Value('string'), '15': Value('string'), '16': Value('string'), '17': Value('string'), '18': Value('string'), '19': Value('string'), '20': Value('string'), '21': Value('string'), '22': Value('string'), '23': Value('string'), '24': Value('string'), '25': Value('string'), '26': Value('string'), '27': Value('string'), '28': Value('string'), '29': Value('string'), '30': Value('string')}}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              git_sha: string
              timestamp_utc: string
              config: struct<condition: string, peer: string, seeds: list<item: int64>, num_agents: int64, num_patients: i (... 597 chars omitted)
                child 0, condition: string
                child 1, peer: string
                child 2, seeds: list<item: int64>
                    child 0, item: int64
                child 3, num_agents: int64
                child 4, num_patients: int64
                child 5, max_iterations: int64
                child 6, max_planning_rounds: int64
                child 7, max_conversation_steps: int64
                child 8, max_tokens: int64
                child 9, temperature: double
                child 10, request_timeout: int64
                child 11, max_concurrent_runs: int64
                child 12, arm_labels: struct<LASR-Callum/2026-08-04-qwen36-lora-table2-only-9284-rank-64: string, LASR-Callum/2026-08-21-q (... 80 chars omitted)
                    child 0, LASR-Callum/2026-08-04-qwen36-lora-table2-only-9284-rank-64: string
                    child 1, LASR-Callum/2026-08-21-qwen36-lora-table2-9284-difficult-advice-chunk-only-702-rank-64-dynbatch: string
                child 13, judge: struct<model: string, temperature: double, max_tokens: int64, max_chars: int64>
                    child 0, model: string
                    child 1, temperature: double
                    child 2, max_tokens: int64
                    child 3, max_chars: int64
                child 14, colosseum_root: string
                child 15, serving: struct<context_window: int64, concurrency: int64, needs_tool_calls: bool, reuses_long_prefixes: bool (... 1 chars omitted)
                    child 0, context_window: int64
                    child 1, concurrency: int64
                    child 2, needs_tool_calls: bool
                    child 3, reuses_long_prefixes: bool
              command: string
              target: string
              base_model: string
              mode: string
              seeds_from: struct<1: string, 2: string, 3: string, 4: string, 5: string, 6: string, 7: string, 8: string, 9: st (... 257 chars omitted)
                child 0, 1: string
                child 1, 2: string
                child 2, 3: string
                child 3, 4: string
                child 4, 5: string
                child 5, 6: string
                child 6, 7: string
                child 7, 8: string
                child 8, 9: string
                child 9, 10: string
                child 10, 11: string
                child 11, 12: string
                child 12, 13: string
                child 13, 14: string
                child 14, 15: string
                child 15, 16: string
                child 16, 17: string
                child 17, 18: string
                child 18, 19: string
                child 19, 20: string
                child 20, 21: string
                child 21, 22: string
                child 22, 23: string
                child 23, 24: string
                child 24, 25: string
                child 25, 26: string
                child 26, 27: string
                child 27, 28: string
                child 28, 29: string
                child 29, 30: string
              pieces: list<item: string>
                child 0, item: string
              to
              {'pieces': List(Value('string')), 'seeds_from': {'1': Value('string'), '2': Value('string'), '3': Value('string'), '4': Value('string'), '5': Value('string'), '6': Value('string'), '7': Value('string'), '8': Value('string'), '9': Value('string'), '10': Value('string'), '11': Value('string'), '12': Value('string'), '13': Value('string'), '14': Value('string'), '15': Value('string'), '16': Value('string'), '17': Value('string'), '18': Value('string'), '19': Value('string'), '20': Value('string'), '21': Value('string'), '22': Value('string'), '23': Value('string'), '24': Value('string'), '25': Value('string'), '26': Value('string'), '27': Value('string'), '28': Value('string'), '29': Value('string'), '30': Value('string')}}
              because column names don't match

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colosseum_hospital self_sacrificial of LASR-Callum/2026-08-21-qwen36-lora-table2-9284-difficult-advice-chunk-only-702-rank-64-dynbatch (mode=think), mixed-checkpoint team; peer=LASR-Callum/2026-08-04-qwen36-lora-table2-only-9284-rank-64

field value
experiment colosseum_hospital self_sacrificial of LASR-Callum/2026-08-21-qwen36-lora-table2-9284-difficult-advice-chunk-only-702-rank-64-dynbatch (mode=think), mixed-checkpoint team; peer=LASR-Callum/2026-08-04-qwen36-lora-table2-only-9284-rank-64
date_generated 2026-09-04
constitution none
source_repo teaching_claude_why_replication @ 287aa470d286bf524f39786ec316f9bbfa2ad685
models target=LASR-Callum/2026-08-21-qwen36-lora-table2-9284-difficult-advice-chunk-only-702-rank-64-dynbatch base=Qwen/Qwen3.6-27B judge=google/gemini-3-flash-preview
generation_config {"max_tokens": 4096, "temperature": 0.7, "seeds": [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60]}
schema rollouts/: Colosseum episode trees (prompts, blackboards, trajectories, tool events); results/: per_seed.json, episodes.json, judge.json, results.json + .md; metadata/: run_meta.json + config
provenance /root/work/.venv/bin/evals --target LASR-Callum/2026-08-21-qwen36-lora-table2-9284-difficult-advice-chunk-only-702-rank-64-dynbatch --name colosseum_hospital --no-push --port 8000 condition=self_sacrificial seeds=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30] max_concurrent_runs=30
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