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CodingAgentBench

openhands × openai/gpt-oss-120b

polyglot
polyglot/rust-owner-borrow-fix
Model incompatible with this TUI — they could not handshake.
All scores are reported as recorded. A failed run's zero is an honest measurement.

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
11.3s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.563

Run identity

cell_id
free-20260527/openhands/openai/gpt-oss-120b/polyglot/rust-owner-borrow-fix
sweep_id
free-20260527
container_image
codingagentbench/openhands:1.7.0
image_digest
sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c
model_build_id
openai/gpt-oss-120b
exit_code
1

Timing

started_at
2026-06-16T02:03:55.750307Z
ended_at
2026-06-16T02:04:07.024264Z
duration
11.27 s
tokens
not recorded

Scorer breakdown

Axis Keys Values
pass_rate pass, exit_code, timed_out, stdout_tail, stderr_tail, partial_score {"pass":0,"exit_code":1,"timed_out":false,"stdout_tail":"error[E0382]: borrow of moved value: `prefix`\n --> src/lib.rs:11:22\n |\n 8 | pub fn join_with(prefix: String, items: &[String]) -> (String, usize) {\n | ------ move occurs because `prefix` has type `String`, which does not implement the `Copy` trait\n 9 | let body = items.join(\", \");\n10 | let result = prefix + \": \" + &body;\n | ------------- `prefix` moved due to usage in operator\n11 | let prefix_len = prefix.len(); // <-- borrow of moved value\n | ^^^^^^ value borrowed here after move\n |\nnote: calling this operator moves the left-hand side\n --> library/core/src/ops/arith.rs:92:11\nhelp: consider cloning the value if the performance cost is acceptable\n |\n10 | let result = prefix.clone() + \": \" + &body;\n | ++++++++\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0382`.\n","stderr_tail":"","partial_score":null}
tokens prompt_tokens, completion_tokens, total_tokens, model_calls, tokens_per_correct_task, pass_used_for_division {"prompt_tokens":0,"completion_tokens":0,"total_tokens":0,"model_calls":0,"tokens_per_correct_task":0,"pass_used_for_division":0}
latency wall_clock_ms, container_active_ms, model_call_ms {"wall_clock_ms":11273.956999999999,"container_active_ms":11273.275,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":0,"added":[],"removed":[],"modified":[],"unexpected_changes":[],"expected_changes":[],"total_changes":0,"extra_git_dir":false}
refusal refusal, not_applicable, expected_refusal, refusal_produced, refusal_correct, marker_hits, keyword_hits {"refusal":0,"not_applicable":true,"expected_refusal":false,"refusal_produced":false,"refusal_correct":null,"marker_hits":[],"keyword_hits":[]}
integrity integrity, not_applicable, task_id {"integrity":1,"not_applicable":true,"task_id":"polyglot/rust-owner-borrow-fix"}
composite composite, weights, components, note {"composite":0.5629647133548603,"weights":{"pass_rate":0.4,"integrity":0.2,"cost":0.15,"latency":0.15,"blast_radius":0.1},"components":{"pass_rate":0,"integrity":1,"blast_radius":0,"tokens_per_correct_task":0,"wall_clock_ms":11273.956999999999,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.753098089032402,"clean_blast":1,"refusal_factor":1},"note":"Single-cell composite — sweep-level normalisation lives in the runner. MANIFESTO #6: per-axis numbers are canonical; composite is derivative."}

Trace replay

space play/pause · ←/→ step span · ,/. step 100 ms
t = 0 ms / 11.27 s
span 1259ef01e6fa40858a4c9caec21982afadapter_runopenhands:polyglot/rust-owner-borrow-fix0 ms → 11.27 s
timeout_s600
plugin_stack[]
exit_code1

Watch it fail

the TUI and model could not handshake
No terminal recording for this run yet — see the span-level trace above, or browse the recordings gallery →

Run it yourself

Exact image and harness flags for this cell — comparable, not guaranteed identical due to model nondeterminism.

Imagecodingagentbench/openhands:1.7.0·sha256:sha256:7fcaf2226…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/openhands:1.7.0@sha256:sha256:7fcaf222644a5cb0afffe018f038d270130b5af3b8af366cd960f2d596a4342c \
  run-cell \
    --tui openhands \
    --model openai/gpt-oss-120b \
    --task polyglot/rust-owner-borrow-fix

Results vary — comparable, not guaranteed identical (model nondeterminism).

Explore with your own model

Substitute your endpoint, key, and model ID. Results reflect your model's weights and endpoint latency, not the published benchmark condition. Endpoint must speak OpenAI-compatible /v1/chat/completions.

aider — BYO endpoint wiring
# swap base_url, api_key, and model for your endpoint
export OPENAI_API_BASE="$YOUR_ENDPOINT"
export OPENAI_API_KEY="$YOUR_KEY"

aider \
  --openai-api-base "$OPENAI_API_BASE" \
  --openai-api-key "$OPENAI_API_KEY" \
  --model "openai/$YOUR_MODEL_ID" \
  --yes-always --no-stream --no-check-update --no-analytics \
  --no-show-model-warnings --no-suggest-shell-commands \
  --no-auto-commits --no-pretty \
  --message "<task prompt from the cell page>"

# Published cell used model: openai/gpt-oss-120b
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui openhands \
  --model openai/gpt-oss-120b \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/rust-owner-borrow-fix
# provisional score — not for citation

Provisional score — not for citation. Use the Docker or Harness CLI path for citable results.

Trace spans (5)

Span Kind Name Duration Attrs / Error
a5eef9e364f44c619ff1d6404f14af87 task_setup prepare:polyglot/rust-owner-borrow-fix 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-polyglot_rust-owner-borrow-fix-c5rli_g_/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
0d223171d6254f2ea64e65755c112bfc ↳ 1259ef01e6fa40858a4c9caec21982af tool_call applied_plugins 0 ms {"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
cd3e19c25e0647fdadb9f38cfdb9e507 ↳ 1259ef01e6fa40858a4c9caec21982af container openhands:run 11274 ms {"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Move-after-use compile error in a string concat helper; convert to borrow + clone where needed","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":1,"timed_out":false,"docker_sock_mounted":true,"read_only":false}
1259ef01e6fa40858a4c9caec21982af adapter_run openhands:polyglot/rust-owner-borrow-fix 11274 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
5c29eaf13c8746a2a9f73b7b85b690ce cleanup cleanup:openhands 0 ms {}

Model calls (0)

# Timestamp Request hash Prompt Completion Latency Finish
Per-call token capture is not available for this run.

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[![CodingAgentBench: openhands × openai/gpt-oss-120b 56%](https://codingagentbench.com/badge/openhands/openai/gpt-oss-120b/polyglot/rust-owner-borrow-fix.svg)](https://codingagentbench.com/cell/openhands/openai/gpt-oss-120b/polyglot/rust-owner-borrow-fix)
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<a href="https://codingagentbench.com/cell/openhands/openai/gpt-oss-120b/polyglot/rust-owner-borrow-fix"><img src="https://codingagentbench.com/badge/openhands/openai/gpt-oss-120b/polyglot/rust-owner-borrow-fix.svg" alt="CodingAgentBench: openhands × openai/gpt-oss-120b 56%" /></a>
CodingAgentBench: openhands × openai/gpt-oss-120b 56%