openhands × openai/gpt-oss-120b

mutations

mutations/rust-error-negated

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

11.2s

Blast

0.000

Refusal

—

Integrity

1.000

Composite

0.563

Run identity

cell_id: free-20260527/openhands/openai/gpt-oss-120b/mutations/rust-error-negated
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: 2026-06-16T02:02:28.961419Z
ended_at: 2026-06-16T02:02:40.206494Z
duration: 11.24 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":101,"timed_out":false,"stdout_tail":"\nrunning 4 tests\ntest tests::first_attempt_ok_returns_immediately ... FAILED\ntest tests::gives_up_after_max_attempts ... FAILED\ntest tests::zero_max_attempts_errors ... ok\ntest tests::retries_on_error_until_success ... FAILED\n\nfailures:\n\n---- tests::first_attempt_ok_returns_immediately stdout ----\n\nthread 'tests::first_attempt_ok_returns_immediately' (1719026) panicked at src/lib.rs:38:9:\nassertion `left == right` failed\n left: 5\n right: 1\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n---- tests::gives_up_after_max_attempts stdout ----\n\nthread 'tests::gives_up_after_max_attempts' (1719027) panicked at src/lib.rs:72:9:\nassertion `left == right` failed\n left: 1\n right: 3\n\n---- tests::retries_on_error_until_success stdout ----\n\nthread 'tests::retries_on_error_until_success' (1719028) panicked at src/lib.rs:56:9:\nassertion `left == right` failed\n left: Err(\"attempt 0\")\n right: Ok(7)\n\n\nfailures:\n tests::first_attempt_ok_returns_immediately\n tests::gives_up_after_max_attempts\n tests::retries_on_error_until_success\n\ntest result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\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":11245.075,"container_active_ms":11243.539,"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":"mutations/rust-error-negated"}`
composite	composite, weights, components, note	{"composite":0.5630149297616502,"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":11245.075,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.7534328650776683,"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

speedt = 0 ms / 11.24 s

span 802c4250deb945f29cf28d9fe31ad660task_setupprepare:mutations/rust-error-negated0 ms → 1 ms

workdir/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-mutations_rust-error-negated-brag_s8o/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Watch it fail

the TUI and model could not handshake

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 mutations/rust-error-negated

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 mutations/rust-error-negated
# 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
802c4250deb945f29cf28d9fe31ad660	task_setup	prepare:mutations/rust-error-negated	1 ms	`{"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-openhands-mutations_rust-error-negated-brag_s8o/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}`
cbf60f8a0f2643cab9c5b3bbd6396442 ↳ b9a46e3a23c441b8a13bba20daef466c	tool_call	applied_plugins	0 ms	`{"tui":"openhands","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}`
c52d3c2bb148422b8d9ae7c175625cdf ↳ b9a46e3a23c441b8a13bba20daef466c	container	openhands:run	11244 ms	`{"image":"codingagentbench/openhands:1.7.0","command":["/app/.venv/bin/python","/opt/openhands_run.py","-t","Retry loop condition negated: retries on success, gives up on error","--workspace","/workspace"],"deviation":"root+docker.sock; see module docstring","exit_code":1,"timed_out":false,"docker_sock_mounted":true,"read_only":false}`
b9a46e3a23c441b8a13bba20daef466c	adapter_run	openhands:mutations/rust-error-negated	11244 ms	`{"timeout_s":600,"plugin_stack":[],"exit_code":1}`
f2518706f1294d4f9f1bff1e7c1697de	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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