{
  "tokens_out": 6591,
  "outcome": "unsupported",
  "suggested_fix": "Provide a repo CLI/script for the Quick Start (or a documented pip-based example command) so the probe can run it directly; or give a larger guest and install pixi to run 'pixi run demos'.",
  "cycle_checks": null,
  "fault": {
    "owner": "prerequisite",
    "status": "diagnosed",
    "reason": "Source build via pixi is not feasible in this guest (no pixi, 2 CPUs, 3 GB RAM); the pip path works but its Quick Start cannot be a valid probe because it is agent-written code.",
    "evidence": []
  },
  "runtime_revision": null,
  "agent_execution": "native_agent",
  "time_to_working_s": null,
  "usage_complete": true,
  "runtime": null,
  "architecture": null,
  "local_or_hosted": null,
  "agent_interfaces_note": null,
  "platform_details": null,
  "platforms_claimed": null,
  "maintenance": null,
  "evidence_strength": null,
  "purpose": "initial",
  "topic": null,
  "needs_which": null,
  "tested_with": null,
  "native_bundle": null,
  "agent_runtime": "claude-code",
  "maintenance_note": null,
  "runtime_version": null,
  "does_what_it_says": null,
  "commit": "dc04809b826ac2f6a8f9e5f8b78b2761e9cb9bec",
  "failure_origin": null,
  "stuck_step": "README 'Build from source' -> 'pixi run demos' (not run)",
  "repo_url": null,
  "needs": null,
  "checks": [
    {
      "status": "PASS",
      "details": {
        "working": false,
        "argv": [
          "/tmp/dartenv/bin/pip",
          "show",
          "dartpy"
        ],
        "kind": "cli",
        "returncode": 0,
        "stdout": "Name: dartpy\nVersion: 6.20.1\nSummary: Python API of Dynamic Animation and Robotics Toolkit.\nHome-page: https://github.com/dartsim/dart.git\nAuthor: Jeongseok Lee\nAuthor-email: <email>\nLicense: BSD 2-Clause\nLocation: /tmp/dartenv/lib/python3.12/site-packages\nRequires: numpy\nRequired-by: ",
        "stderr": "",
        "needs_credentials": false,
        "needs_browser": false,
        "scope": "partial: install"
      },
      "check": "install",
      "optional": false
    }
  ],
  "open_issues": null,
  "agent_runtime_version": "2.1.300 (Claude Code)",
  "verifies_run_id": null,
  "total_s": 144.75056266784668,
  "license": null,
  "tool_calls": 15,
  "model_version": "claude-haiku-5-5",
  "example_checks": [],
  "mcp": null,
  "other_model": null,
  "first_use_s": null,
  "native_tool_calls": 15,
  "last_commit_at": null,
  "source": "https://github.com/dartsim/dart",
  "models_agree": null,
  "maintenance_verdict": null,
  "cost_usd": 0.01064526,
  "safety": null,
  "answered_issues": null,
  "what_failed": null,
  "steps": [
    "cd <host-path> && git log -1 --format=%H 2>/dev/null; ls -la; ls README* 2>/dev/null; cat README.md 2>/dev/null | head -200",
    "cd <host-path> && sed -n 200,400p README.md | head -80; echo ---; which pixi python3 pip3 cmake; python3 --version; nproc; free -g | head -2; echo ---; grep -n -A6 -E '^\\[tasks\\.(demos|test)\\]' pixi.toml; grep -n -A4 -E '^\\[tasks\\.(demos|test)' pixi.toml | head -30",
    "cd <host-path> && grep -n 'tasks' pixi.toml | head -80; echo ---; grep -n -B2 -A8 'demos' pixi.toml | head -60",
    "cd /tmp && python3 -m venv /tmp/dartenv 2>&1 | tail -3; /tmp/dartenv/bin/pip install -q dartpy 2>&1 | tail -5; echo rc=$?; /tmp/dartenv/bin/python -c \"import dartpy; print(dartpy.__file__)\" 2>&1 | tail -3",
    "rm -rf /tmp/dartenv && (apt-get update -qq >/dev/null 2>&1; apt-get install -y -qq python3-venv python3-pip >/tmp/apt.log 2>&1; echo apt=$?) && python3 -m venv /tmp/dartenv && /tmp/dartenv/bin/pip install -q dartpy 2>&1 | tail -5; echo pip=$?; /tmp/dartenv/bin/python -c \"import dartpy,sys; print(sys.version); print(dartpy.__file__)\" 2>&1 | tail -3",
    "whoami; apt-get install -y python3.12-venv 2>&1 | tail -3; echo apt=$?; tail -5 /tmp/apt.log",
    "sudo -n apt-get install -y -qq python3.12-venv >/tmp/apt2.log 2>&1; echo apt=$?; tail -3 /tmp/apt2.log",
    "sudo -n apt-get update -qq >/tmp/upd.log 2>&1; echo upd=$?; sudo -n apt-get install -y -qq python3.12-venv >/tmp/apt2.log 2>&1; echo apt=$?; tail -3 /tmp/apt2.log",
    "rm -rf /tmp/dartenv && python3 -m venv /tmp/dartenv && /tmp/dartenv/bin/pip install -q dartpy 2>&1 | tail -5; echo pip=$?; /tmp/dartenv/bin/python -c \"import dartpy,sys; print(sys.version.split()[0], dartpy.__file__)\" 2>&1 | tail -3",
    "sudo -n apt-get install -y -qq libgl1 libglu1-mesa libxrender1 libxi6 libxkbcommon0 >/tmp/apt3.log 2>&1; echo apt=$?; /tmp/dartenv/bin/python -c \"import dartpy,sys; print(sys.version.split()[0], dartpy.__version__, dartpy.__file__)\" 2>&1 | tail -3",
    "cd /tmp && cat > /tmp/quickstart.py <<'EOF'\nimport dartpy as dart\n\nworld = dart.simulation.World()  # 1 ms time step, gravity along -z\n\n# A shapeless 1 kg rigid body (the default inertia) free-falling from z = 1 m.\nbody = dart.dynamics.Skeleton(\"body\")\nbody.createFreeJointAndBodyNodePair()\nbody.setPosition(5, 1.0)  # FreeJoint DOFs: rotation (0-2), translation (3-5)\nworld.addSkeleton(body)\n\nfor _ in range(100):\n    world.step()\n\nprint(f\"t = {world.getTime():.3f} s, z = {body.getPosition(5):.3f} m\")\nEOF\n/tmp/dartenv/bin/python -I /tmp/quickstart.py; echo rc=$?",
    "cd <host-path> && grep -rl \"createFreeJointAndBodyNodePair\" python docs examples 2>/dev/null | head; echo ---; ls <host-path>; sed -n 1,60p <host-path> | head -80",
    "grep -n -E \"def (validate|check_probe|run_checks)|'checks'|\\\"checks\\\"|PARTIAL_CHECKS|'kind'|expected_text\" <host-path> | head -40; grep -n -A12 \"def validate\" <host-path> | head -50",
    "sed -n 425,470p <host-path>; sed -n 505,534p <host-path>",
    "cd <host-path> && mkdir -p .coldpass && cat > .coldpass/probe.json <<'EOF'\n{\"checks\":[{\"check\":\"install\",\"kind\":\"cli\",\"argv\":[\"/tmp/dartenv/bin/pip\",\"show\",\"dartpy\"],\"cwd\":\"<host-path>\",\"expected_text\":\"Name: dartpy\"}]}\nEOF\ncat > .coldpass/report.json <<'EOF'\n{\"outcome\":\"blocked\",\"operation\":\"Attempted README 'Build from source' path (pixi run demos / pixi run test) and README Installation 'pip install dartpy' + Quick Start Python example. Quick Start run manually: prints 't = 0.100 s, z = 0.950 m', matching README.\",\"operation_scope\":\"pip-installed dartpy 6.20.1 (Python 3.12) runs the Quick Start. Not verified via a probe because the Quick Start is agent-written code (partial evidence only). pixi-based source build and demos not run: pixi not installed in guest; 2 CPUs / 3 GB RAM makes a dartpy source build impractical; demos are GUI. Unit suites excluded by brief.\",\"steps\":[\"Read README.md\",\"python3 -m venv /tmp/dartenv (failed: ensurepip missing)\",\"sudo -n apt-get update && sudo -n apt-get install -y python3.12-venv\",\"/tmp/dartenv/bin/pip install dartpy (OK, 6.20.1)\",\"import dartpy failed: libGL.so.1 missing\",\"sudo -n apt-get install -y libgl1 libglu1-mesa libxrender1 libxi6 libxkbcommon0\",\"Ran README Quick Start Python snippet from /tmp/quickstart.py: output matched README\"],\"deviations\":[\"README 'pip install dartpy' needs python3-venv (ensurepip missing); installed python3.12-venv via sudo apt after apt-get update.\",\"dartpy import needs libGL; installed libgl1 and related libs via sudo apt.\",\"Did not run 'pixi run demos' / 'pixi run test': pixi is not installed and the source build is impractical on this guest; the brief excludes the test suite.\"],\"stuck_step\":\"README 'Build from source' -> 'pixi run demos' (not run)\",\"main_blocker\":\"Source build via pixi is not feasible in this guest (no pixi, 2 CPUs, 3 GB RAM); the pip path works but its Quick Start cannot be a valid probe because it is agent-written code.\",\"suggested_fix\":\"Provide a repo CLI/script for the Quick Start (or a documented pip-based example command) so the probe can run it directly; or give a larger guest and install pixi to run 'pixi run demos'.\"}\nEOF\n<env-var>=<host-path> python3 -I <host-path> --validate"
  ],
  "platform_conflicts": null,
  "claims_note": null,
  "maintained_note": null,
  "repo": "dartsim/dart",
  "service_tier": null,
  "maintained": null,
  "source_pin": null,
  "operation_scope": "partial checks",
  "reasoning": "low",
  "claims": [],
  "platform": "linux",
  "cost_to_try": null,
  "backend": null,
  "tool_transport": "mcp-assigned-vm",
  "hardware": null,
  "agent_interface": null,
  "profile": {
    "model": "claude-haiku-5-5",
    "reasoning": "low"
  },
  "date": "2026-10-18T18:36:44.569337+00:00",
  "kind": "repo",
  "resources": {
    "cpus": 2,
    "memory_mib": 4096,
    "disk_mib": 32768
  },
  "error_excerpt": "Source build via pixi is not feasible in this guest (no pixi, 2 CPUs, 3 GB RAM); the pip path works but its Quick Start cannot be a valid probe because it is agent-written code.",
  "pass": null,
  "evidence_version": null,
  "source_revision": null,
  "run_id": "dartsim--dart-claude-haiku-5-5-1792348459818756967",
  "last_release_at": null,
  "furthest_model": null,
  "model": "claude-haiku-5-5",
  "what_it_did": "Attempted README 'Build from source' path (pixi run demos / pixi run test) and README Installation 'pip install dartpy' + Quick Start Python example. Quick Start run manually: prints 't = 0.100 s, z = 0.950 m', matching README.",
  "sandbox_source": null,
  "other_run_id": null,
  "hosting": null,
  "tested_commit": null,
  "guest_setup": null,
  "mcp_context": null,
  "agent_interfaces": [],
  "setup_identity": null,
  "works": null,
  "install_s": null,
  "fix_id": null,
  "tokens_in": 287561,
  "tested_at": null,
  "test_version": "readme-80bce05978a913d9396742111125106710e3c4b0dc4098ba6143b35960c73717",
  "recovery": {
    "source": "legacy-oct16-18",
    "original_run_id": "dartsim--dart-claude-haiku-5-5-1792348459818756967",
    "historical": true,
    "ledger_sha256": "c5e6a833c182c1e2aecf69d0bd0020aec63c65d98f3e933e4b32232340312736"
  },
  "transcript_url": "/transcripts/dartsim--dart-claude-haiku-5-5-1792348459818756967.txt",
  "report_url": "/reports/dartsim--dart-claude-haiku-5-5-1792348459818756967.json"
}