Skip to main content
CodingAgentBench

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

mutations
mutations/rust-error-negated

Per-axis scores

Pass
0.000
Tokens/correct
—
Wall
3.8s
Blast
0.000
Refusal
—
Integrity
1.000
Composite
0.582

Run identity

cell_id
expansion-20260616/copilot/meta/llama-4-maverick-17b-128e-instruct/mutations/rust-error-negated
sweep_id
expansion-20260616
container_image
codingagentbench/copilot:v1.0.63
image_digest
sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607
model_build_id
meta/llama-4-maverick-17b-128e-instruct
exit_code
0

Timing

started_at
2026-06-17T01:48:33.127088Z
ended_at
2026-06-17T01:48:36.914069Z
duration
3.79 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::zero_max_attempts_errors ... ok\ntest tests::gives_up_after_max_attempts ... FAILED\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' (1268977) 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' (1268978) 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' (1268979) 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":3786.9809999999998,"container_active_ms":3774.283,"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":true}
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":0.5816402435596588,"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":3786.9809999999998,"expected_refusal":false,"refusal_produced":false,"cost_efficiency":1,"latency_efficiency":0.8776016237310593,"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 / 3.79 s
span f4bf2e2d48494475ae261dc3c3ac3bcftask_setupprepare:mutations/rust-error-negated0 ms → 12 ms
workdir/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_rust-error-negated-hcxc728u/workdir
task_categorymutations
plugin_stack[]
behavior_modefactory

Terminal playback

replay of the run — opencode cells show genuine step timing; others show a span summary

Run it yourself

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

Imagecodingagentbench/copilot:v1.0.63·sha256:sha256:6ad022118…
docker run — exact image used in this run
# pull the exact image used in this run
docker pull codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607

docker run --rm \
  -e CAB_ENDPOINT="$YOUR_ENDPOINT" \
  -e CAB_KEY="$YOUR_KEY" \
  codingagentbench/copilot:v1.0.63@sha256:sha256:6ad0221187dc5c6de50c8aeec50b0eb8eab269c1a681c79efaaa068741a20607 \
  run-cell \
    --tui copilot \
    --model meta/llama-4-maverick-17b-128e-instruct \
    --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: 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 copilot \
  --model meta/llama-4-maverick-17b-128e-instruct \
  --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
f4bf2e2d48494475ae261dc3c3ac3bcf task_setup prepare:mutations/rust-error-negated 12 ms {"workdir":"/home/andrew/.codingagentbench-scratch/codingagentbench-copilot-mutations_rust-error-negated-hcxc728u/workdir","task_category":"mutations","plugin_stack":[],"behavior_mode":"factory"}
1fcb284393d0481ea5dc663b39cae0f4 ↳ c8d55155a0fd40c5a5474c867112dffa tool_call applied_plugins 0 ms {"tui":"copilot","count":0,"applied":[],"env_keys":[],"extra_args":[],"applied_count":0,"skipped_count":0}
c144523fd9144660ba8a34054403b3d8 ↳ c8d55155a0fd40c5a5474c867112dffa container copilot:launch 3774 ms {"image":"codingagentbench/copilot:v1.0.63","argv":["-p","Retry loop condition negated: retries on success, gives up on error","--allow-all"],"timeout_s":600,"exit_code":0,"duration_s":3.7599464079830796,"timed_out":false}
c8d55155a0fd40c5a5474c867112dffa adapter_run copilot:mutations/rust-error-negated 3775 ms {"timeout_s":600,"plugin_stack":[],"exit_code":0}
dde8820729e04c518721630e69849f2f cleanup cleanup:copilot 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: copilot × meta/llama-4-maverick-17b-128e-instruct 58%](https://codingagentbench.com/badge/copilot/meta/llama-4-maverick-17b-128e-instruct/mutations/rust-error-negated.svg)](https://codingagentbench.com/cell/copilot/meta/llama-4-maverick-17b-128e-instruct/mutations/rust-error-negated)
HTML / iframe
<a href="https://codingagentbench.com/cell/copilot/meta/llama-4-maverick-17b-128e-instruct/mutations/rust-error-negated"><img src="https://codingagentbench.com/badge/copilot/meta/llama-4-maverick-17b-128e-instruct/mutations/rust-error-negated.svg" alt="CodingAgentBench: copilot × meta/llama-4-maverick-17b-128e-instruct 58%" /></a>
CodingAgentBench: copilot × meta/llama-4-maverick-17b-128e-instruct 58%