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CodingAgentBench

opencode × meta/llama-4-maverick-17b-128e-instruct

polyglot
polyglot/rust-owner-borrow-fix

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
3.9s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.581

Run identity

cell_id
expansion-20260616/opencode/meta/llama-4-maverick-17b-128e-instruct/polyglot/rust-owner-borrow-fix
sweep_id
expansion-20260616
container_image
codingagentbench/opencode:v1.15.10
image_digest
sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T06:30:21.091487Z
ended_at
2026-06-17T06:30:25.005231Z
duration
3.91 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":3913.7439999999997,"container_active_ms":3912.8669999999997,"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":0.5811826367427722,"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":3913.7439999999997,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.874550911618481,"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 / 3.91 s
span 2b1e2dde0bdf49ddbe8a0878a5205352task_setupprepare:polyglot/rust-owner-borrow-fix0 ms → 0 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_rust-owner-borrow-fix-24n87g5s/workdir
task_categorypolyglot
plugin_stack[]
behavior_modefactory

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/opencode:v1.15.10·sha256:sha256:e56bdb69f…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/opencode:v1.15.10@sha256:sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275 \
  run-cell \
    --tui opencode \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --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.

opencode — BYO endpoint wiring
# Write .opencode/config.json in the task workdir:
# {
#   "providers": {
#     "codingagentbench": {
#       "type": "openai",
#       "options": {
#         "baseURL": "$YOUR_ENDPOINT",
#         "apiKey": "$YOUR_KEY"
#       },
#       "models": [{ "id": "$YOUR_MODEL_ID", "name": "$YOUR_MODEL_ID" }]
#     }
#   }
# }

opencode run \
  --format json \
  --dangerously-skip-permissions \
  -m codingagentbench/$YOUR_MODEL_ID

# Published cell used model: meta/llama-4-maverick-17b-128e-instruct
Zero-install preview — npx CLI (provisional, not for citation)
npx @codingagentbench/cli check
npx @codingagentbench/cli check \
  --tui opencode \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --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
2b1e2dde0bdf49ddbe8a0878a5205352 task_setup prepare:polyglot/rust-owner-borrow-fix 0 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-opencode-polyglot_rust-owner-borrow-fix-24n87g5s/workdir","task_category":"polyglot","plugin_stack":[],"behavior_mode":"factory"}
690e768bbb954bf0bc3c29c45d3bec12 ↳ d787171bd25f4841996a0a9d4977e92c tool_call applied_plugins 0 ms {"tui":"opencode","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
1d4c680b1f4d4522b525cbbaf86158b0 ↳ d787171bd25f4841996a0a9d4977e92c container opencode-run:polyglot/rust-owner-borrow-fix 3913 ms {"image":"codingagentbench/opencode:v1.15.10","model":"meta/llama-4-maverick-17b-128e-instruct","base_url":"http://172.17.0.1:31415/v1","exit_code":0,"duration_s":3.899,"timed_out":false,"image_digest":"sha256:e56bdb69fb83ea2f8c81c06257f190fd4b5e91077e83d5536f722ff1b9c70275"}
d787171bd25f4841996a0a9d4977e92c adapter_run opencode:polyglot/rust-owner-borrow-fix 3914 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
b60c453091e44ba59dc4a9d71370083a cleanup cleanup:opencode 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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