Skip to main content
CodingAgentBench

plandex × mistralai/mistral-small-4-119b-2603

polyglot
polyglot/rust-lifetime-fix

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
49.8s
Blast
1.000
Refusal
—
Integrity
1.000
Composite
0.434

Run identity

cell_id
free-20260527/plandex/mistralai/mistral-small-4-119b-2603/polyglot/rust-lifetime-fix
sweep_id
free-20260527
container_image
codingagentbench/plandex:v2.2.1
image_digest
sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2
model_build_id
mistralai/mistral-small-4-119b-2603
exit_code
1

Timing

started_at
2026-06-16T20:41:18.978413Z
ended_at
2026-06-16T20:42:08.812475Z
duration
49.83 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[E0106]: missing lifetime specifier\n --> src/lib.rs:3:37\n |\n3 | pub fn longest(a: &str, b: &str) -> &str {\n | ---- ---- ^ expected named lifetime parameter\n |\n = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b`\nhelp: consider introducing a named lifetime parameter\n |\n3 | pub fn longest<'a>(a: &'a str, b: &'a str) -> &'a str {\n | ++++ ++ ++ ++\n\nerror: aborting due to 1 previous error\n\nFor more information about this error, try `rustc --explain E0106`.\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":49834.062000000005,"container_active_ms":49725.162,"model_call_ms":0}
blast_radius blast_radius, added, removed, modified, unexpected_changes, expected_changes, total_changes, extra_git_dir {"blast_radius":1,"added":[".plandex-v2/projects-v2.json"],"removed":[],"modified":[],"unexpected_changes":[".plandex-v2/projects-v2.json"],"expected_changes":[],"total_changes":1,"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-lifetime-fix"}
composite composite, weights, components, note {"composite":0.43441437728067106,"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":1,"tokens_per_correct_task":0,"wall_clock_ms":49834.062000000005,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.562762515204474,"clean_blast":0,"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 / 49.83 s
span 734fd327bb934d139089ee32bd5d70c5adapter_runplandex:polyglot/rust-lifetime-fix0 ms → 49.83 s
timeout_s600
plugin_stack[]
exit_code1

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary
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/plandex:v2.2.1·sha256:sha256:d1d67c7f8…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/plandex:v2.2.1@sha256:sha256:d1d67c7f86699ccffd8fd7f6dca598ef449ca37bc377e42f7d1f0ef3cd4aaee2 \
  run-cell \
    --tui plandex \
    --model mistralai/mistral-small-4-119b-2603 \
    --task polyglot/rust-lifetime-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: mistralai/mistral-small-4-119b-2603
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui plandex \
  --model mistralai/mistral-small-4-119b-2603 \
  --endpoint "$YOUR_ENDPOINT" \
  --key "$YOUR_KEY" \
  --task polyglot/rust-lifetime-fix
# provisional score — not for citation

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

Trace spans (7)

Span Kind Name Duration Attrs / Error
1b0589103d4c4bd9888334d7634f1c86 task_setup prepare:polyglot/rust-lifetime-fix 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-plandex-polyglot_rust-lifetime-fix-hzf8ql18/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
f47a1d5baacc422cb322d5ce39287227 ↳ 734fd327bb934d139089ee32bd5d70c5 tool_call applied_plugins 0 ms {"tui":"plandex","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
707b8cad1a9a41d78191da9bd7ade5fe ↳ f8b1aee800b64660a8e6e725b06fc8cf container plandex:phase=plan 0 ms {"phase":"plan","argv":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"],"kind":"plan-first"}
2ccc6503cdf647d3bfba718a5e933f2d ↳ f8b1aee800b64660a8e6e725b06fc8cf container plandex:phase=execute 0 ms {"phase":"execute","argv":["plandex","build",";","plandex","apply"],"auto_confirm":true}
f8b1aee800b64660a8e6e725b06fc8cf ↳ 734fd327bb934d139089ee32bd5d70c5 container plandex:pipeline 49726 ms {"image":"codingagentbench/plandex:v2.2.1","timeout_s":600,"plan_phase_cmd":["plandex","new","--name","codingagentbench-plan",";","plandex","tell","Missing explicit lifetime annotation prevents a longest-string helper from compiling"],"exec_phase_cmd":["plandex","build",";","plandex","apply"],"exit_code":1,"duration_s":49.467308352002874,"timed_out":false,"plan_phase_done":false,"execute_phase_done":false}
734fd327bb934d139089ee32bd5d70c5 adapter_run plandex:polyglot/rust-lifetime-fix 49834 ms {"timeout_s":600,"plugin_stack":[],"exit_code":1}
fe6ffb8a92644f34a492b73c617429b7 cleanup cleanup:plandex 0 ms {}

Model calls (0)

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

Other CLIs on this task

Other models with this CLI

Other tasks in this category

Embed this result
README / Markdown
[![CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 43%](https://codingagentbench.com/badge/plandex/mistralai/mistral-small-4-119b-2603/polyglot/rust-lifetime-fix.svg)](https://codingagentbench.com/cell/plandex/mistralai/mistral-small-4-119b-2603/polyglot/rust-lifetime-fix)
HTML / iframe
<a href="https://codingagentbench.com/cell/plandex/mistralai/mistral-small-4-119b-2603/polyglot/rust-lifetime-fix"><img src="https://codingagentbench.com/badge/plandex/mistralai/mistral-small-4-119b-2603/polyglot/rust-lifetime-fix.svg" alt="CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 43%" /></a>
CodingAgentBench: plandex × mistralai/mistral-small-4-119b-2603 43%