{
  "run_id": "NVIDIA--cccl-claude-haiku-5-5-1793140569716834673",
  "date": "2026-10-27T22:41:42.576458+00:00",
  "repo": "NVIDIA/cccl",
  "kind": "repo",
  "source": "https://github.com/NVIDIA/cccl",
  "commit": "72c6a920960066cf251efb7b9f09427e8b0b5971",
  "model": "claude-haiku-5-5",
  "model_version": "claude-haiku-5-5",
  "test_version": "readme-d5b140d3c0f8b95c2dd6fe6fc381a303cacb92679582c22317d8e78b572f0cf2",
  "pass": true,
  "outcome": "pass",
  "time_to_working_s": 285.7368836070018,
  "total_s": 332.85957503318787,
  "steps": [
    "cd <guest-path> && pwd && ls -la && id -u && cat /etc/os-release | head -3 && git -C . rev-parse 2>&1 | head -1; ls /inputs 2>/dev/null; python3 --version",
    "cd <guest-path> && ls README* && head -c 6000 README.md",
    "cd <guest-path> && sed -n '/## Getting Started/,/## License/p' README.md | head -c 9000; echo; ls .coldpass 2>/dev/null; which nvcc cmake g++ clang++ nvidia-smi 2>&1; echo CDP=$CDP_URL $<env-var>",
    "cd <guest-path> && which cmake make; cmake --version 2>&1|head -1; g++ --version | head -1; ls /usr/local/cuda 2>&1 | head -2; cat ci/install_cccl.sh | head -60; cat cccl-version.json; sudo -n true && echo SUDO_OK",
    "cd <guest-path> && grep -n \"cmake_minimum_required\" CMakeLists.txt; grep -n -i \"cmake\" CONTRIBUTING.md | head; sudo apt-get -o DPkg::Lock::Timeout=300 update -qq 2>&1 | tail -2; sudo apt-get -o DPkg::Lock::Timeout=300 install -y -qq cmake 2>&1 | tail -3; cmake --version | head -1",
    "cd <guest-path> && ls <guest-path> 2>&1; timeout 1500 bash ci/install_cccl.sh <guest-path> 2>&1 | tail -30; echo EXIT=${PIPESTATUS[0]}; ls <guest-path> 2>&1",
    "cd <guest-path> && ls include | head -20; ls include/cub/cub.cuh include/thrust/device_vector.h include/cuda/std/atomic 2>&1; ls lib/cmake; cd <guest-path> && ls examples/basic && sed -n 1,40p examples/basic/CMakeLists.txt; ls .coldpass",
    "cd <guest-path> && mkdir -p <guest-path> .coldpass && ls <guest-path> /inputs/coldpass-preflight.py 2>&1; cat > .coldpass/probe.json <<'EOF'\n{\"kind\":\"cli\",\"argv\":[\"bash\",\"ci/install_cccl.sh\",\"<guest-path>\"],\"cwd\":\"<guest-path>\",\"output_directory\":\"<guest-path>\",\"expected_text\":\"Install CCCL - Success\"}\nEOF\ncat > .coldpass/claims.json <<'EOF'\n[\n{\"kind\":\"claim\",\"claim\":\"CCCL is header-only and the convenience installer copies its headers into the prefix\",\"source\":\"README.md\",\"quote\":\"Everything in CCCL is header-only.\",\"input\":\"ci/install_cccl.sh <guest-path>\",\"expected\":\"cub.cuh header installed under the prefix\",\"probe_kind\":\"cli\",\"argv\":[\"bash\",\"ci/install_cccl.sh\",\"<guest-path>\"],\"cwd\":\"<guest-path>\",\"output_directory\":\"<guest-path>\",\"expected_text\":\"Installing: <guest-path>\"},\n{\"kind\":\"claim\",\"claim\":\"A convenience script installs CCCL to a given directory\",\"source\":\"README.md\",\"quote\":\"ci/install_cccl.sh /usr/local\",\"input\":\"ci/install_cccl.sh <guest-path>\",\"expected\":\"install finishes with success banner\",\"probe_kind\":\"cli\",\"argv\":[\"bash\",\"ci/install_cccl.sh\",\"<guest-path>\"],\"cwd\":\"<guest-path>\",\"output_directory\":\"<guest-path>\",\"expected_text\":\"Install CCCL - Success\"}\n]\nEOF\ncat > .coldpass/examples.json <<'EOF'\n[\n{\"kind\":\"example\",\"claim\":\"Installation example project (examples/basic) builds CCCL demo\",\"source\":\"examples/basic/README.md\",\"reason\":\"Not runnable in this VM: examples/basic declares project(CCCLDemo CUDA), needs an NVIDIA nvcc (none installed, no /usr/local/cuda, no GPU) and fetches CCCL from GitHub via CPM. Ran the README installer ci/install_cccl.sh instead, which is the documented install path.\"}\n]\nEOF\ncat > .coldpass/cycles.json <<'EOF'\n{\"detected\":false,\"reason\":\"CCCL is a header-only C++ library with a one-shot CMake install (ci/install_cccl.sh / cmake --preset install). Inspected README.md and the entry points: no scheduler, cron, loop, webhook, --once or --now trigger in the product.\",\"checks\":[]}\nEOF\npython3 -m json.tool .coldpass/probe.json >/dev/null && python3 -m json.tool .coldpass/claims.json >/dev/null && python3 -m json.tool .coldpass/examples.json >/dev/null && python3 -m json.tool .coldpass/cycles.json >/dev/null && echo JSON_OK; ls <guest-path>",
    "cd <guest-path> && cat > .coldpass/claims.json <<'EOF'\n[\n{\"kind\":\"claim\",\"claim\":\"CCCL is header-only and the convenience installer copies its headers into the prefix\",\"source\":\"Everything in CCCL is header-only.\",\"input\":\"ci/install_cccl.sh <guest-path>\",\"expected\":\"cub.cuh header installed under the prefix\",\"probe_kind\":\"cli\",\"argv\":[\"bash\",\"ci/install_cccl.sh\",\"<guest-path>\"],\"cwd\":\"<guest-path>\",\"output_directory\":\"<guest-path>\",\"expected_text\":\"Installing: <guest-path>\"},\n{\"kind\":\"claim\",\"claim\":\"A convenience script installs CCCL to a given directory\",\"source\":\"ci/install_cccl.sh /usr/local\",\"input\":\"ci/install_cccl.sh <guest-path>\",\"expected\":\"install finishes with success banner\",\"probe_kind\":\"cli\",\"argv\":[\"bash\",\"ci/install_cccl.sh\",\"<guest-path>\"],\"cwd\":\"<guest-path>\",\"output_directory\":\"<guest-path>\",\"expected_text\":\"Install CCCL - Success\"}\n]\nEOF\npython3 -m json.tool .coldpass/claims.json >/dev/null && echo OK; <env-var>=<guest-path> python3 -I <guest-path> --validate --replay 2>&1 | tail -60",
    "cd <guest-path> && cat > .coldpass/report.json <<'EOF'\n{\"outcome\":\"working\",\"fault_owner\":null,\"operation\":\"Install CCCL headers and CMake package files with the README's convenience installer: bash ci/install_cccl.sh <prefix>\",\"operation_scope\":\"Header-only library install on Ubuntu 24.04 (x86-64 WSL2 guest, root-capable user with sudo). Needs cmake >= 3.21 and make/g++. Not covered: compiling CUDA code with nvcc (no CUDA toolkit or GPU in this VM), so GPU builds and the examples/basic CPM project were not run.\",\"steps\":[\"git init / fetch of pinned commit: not needed, source snapshot already present in <guest-path>\",\"sudo apt-get -o DPkg::Lock::Timeout=300 update && sudo apt-get -o DPkg::Lock::Timeout=300 install -y cmake  (cmake 3.28.3 installed)\",\"bash ci/install_cccl.sh <guest-path>  (README 'A convenience script is also provided'; exit 0, installed include/, lib/cmake/)\",\"bash ci/install_cccl.sh <guest-path>  (replayed probe: 'Install CCCL - Success')\"],\"deviations\":[\"Installed cmake via apt because the VM had no cmake; the README's install section assumes cmake is present.\",\"Used ci/install_cccl.sh (the README's documented convenience script, which runs cmake --preset install) rather than the in-source 'cmake . && make install' form, to keep build files out of the source tree. Both are documented.\",\"examples/basic (CPM-based CUDA demo) not run: needs nvcc and network fetch from GitHub; no CUDA toolkit or GPU in the VM. Recorded as a blocked example.\",\"README's nvcc compile example not run for the same reason.\"],\"stuck_step\":null,\"main_blocker\":null,\"plain_failure\":null,\"suggested_fix\":\"None for the install path. To test GPU usage, run the VM with a CUDA toolkit and an NVIDIA GPU, then compile the README example with nvcc.\"}\nEOF\npython3 -m json.tool .coldpass/report.json >/dev/null && echo REPORT_OK; <env-var>=<guest-path> python3 -I <guest-path> --validate --replay 2>&1 | head -c 400",
    "cd <guest-path> && rm -rf <guest-path> <guest-path> <guest-path> && <env-var>=<guest-path> python3 -I <guest-path> --validate --replay > <guest-path> 2>&1; echo EXIT=$?; python3 -c \"\nimport json,sys\nd=json.load(open('<guest-path>'))\nprint('valid',d.get('valid'),'problems',d.get('problems'))\nprint('replay',d.get('replay',{}).get('status'))\n\" ; rm -rf <guest-path> <guest-path> <guest-path>; ls -la <guest-path>"
  ],
  "stuck_step": null,
  "error_excerpt": null,
  "what_it_did": "Install CCCL headers and CMake package files with the README's convenience installer: bash ci/install_cccl.sh <prefix>",
  "suggested_fix": null,
  "tokens_in": 252785,
  "tokens_out": 11672,
  "cost_usd": 0.015307859999999998,
  "usage_complete": true,
  "checks": [
    {
      "check": "operation",
      "status": "PASS",
      "details": {
        "working": true,
        "argv": [
          "bash",
          "ci/install_cccl.sh",
          "<guest-path>"
        ],
        "kind": "cli",
        "returncode": 0,
        "stdout": "g: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n[excerpt truncated]",
        "stderr": "",
        "needs_credentials": false,
        "needs_browser": false,
        "scope": "product operation"
      }
    }
  ],
  "safety": {
    "version": "z2x-1",
    "rules_version": "z2x-1",
    "summary": "Review signals: 1 download and execute, 4 hardcoded secret.",
    "expected": "Reviewed as expected for a test run: attempted writes that failed, so nothing was written.",
    "findings": [
      {
        "kind": "download-and-execute",
        "count": 1,
        "note": "Source contains download and execute; review its purpose.",
        "location_count": 1,
        "path": "ci/pyenv_helper.sh"
      },
      {
        "kind": "hardcoded-secret",
        "count": 4,
        "note": "Gitleaks found a possible hardcoded secret; value withheld.",
        "location_count": 2
      }
    ],
    "context": [],
    "limitations": [
      "A short run cannot establish that code is safe.",
      "Connections show IP addresses; proxies can hide the final hostname.",
      "Tracing covers dispatched commands and their children, not the whole OS; guest root can interfere with tracing."
    ],
    "static": {
      "dependency_note": "OSV scanned supported lockfiles; unpinned dependencies and unsupported formats are outside this check."
    },
    "evidence_url": "/safety/?run=NVIDIA--cccl-claude-haiku-5-5-1793140569716834673",
    "evidence_file": "/data/safety/NVIDIA--cccl-claude-haiku-5-5-1793140569716834673.json.gz"
  },
  "agent_execution": "native_agent",
  "agent_runtime": "claude-code",
  "agent_runtime_version": "2.1.310 (Claude Code)",
  "tool_transport": "mcp-assigned-vm",
  "platform": "linux",
  "reasoning": "low",
  "service_tier": null,
  "resources": {
    "cpus": 2,
    "memory_mib": 4096,
    "disk_mib": 32768
  },
  "native_tool_calls": 11,
  "native_bundle": null,
  "architecture": null,
  "backend": "hyperv",
  "platform_details": {
    "backend": "hyperv",
    "os": "linux"
  },
  "platform_conflicts": null,
  "sandbox_source": null,
  "source_pin": {
    "commit": "72c6a920960066cf251efb7b9f09427e8b0b5971",
    "url": "https://github.com/NVIDIA/cccl"
  },
  "purpose": "test_rerun",
  "profile": {
    "model": "claude-haiku-5-5",
    "reasoning": "low"
  },
  "fault": {
    "owner": null,
    "status": "resolved",
    "reason": null
  },
  "fix_id": "fix-ba4302531ab4045a26d1",
  "verifies_run_id": "NVIDIA--cccl-claude-haiku-5-5-1793130428260289378",
  "hosting": null,
  "operation_scope": "product operation",
  "tool_calls": 11,
  "guest_setup": null,
  "runtime": null,
  "runtime_version": null,
  "runtime_revision": null,
  "source_revision": null,
  "evidence_version": null,
  "failure_origin": null,
  "evidence_strength": "readme_checked",
  "works": "yes",
  "install_s": null,
  "first_use_s": null,
  "mcp": "none",
  "needs": [],
  "needs_which": null,
  "agent_interface": [
    "cli"
  ],
  "license": "NOASSERTION",
  "repo_url": "https://github.com/NVIDIA/cccl",
  "cost_to_try": "free",
  "hardware": "GPU",
  "what_failed": null,
  "local_or_hosted": "both",
  "cycle_checks": [
    {
      "kind": "cycle",
      "claim": "Scheduled or looping main behavior",
      "source": "repository entry points",
      "input": "source inspection",
      "expected": "identify the product trigger",
      "verdict": "yes",
      "outcome": "CCCL is a header-only C++ library with a one-shot CMake install (ci/install_cccl.sh / cmake --preset install). Inspected README.md and the entry points: no scheduler, cron, loop, webhook, --once or --now trigger in the product.",
      "evidence": "CCCL is a header-only C++ library with a one-shot CMake install (ci/install_cccl.sh / cmake --preset install). Inspected README.md and the entry points: no scheduler, cron, loop, webhook, --once or --now trigger in the product.",
      "command": ""
    }
  ],
  "claims": [
    {
      "kind": "claim",
      "claim": "CCCL is header-only and the convenience installer copies its headers into the prefix",
      "source": "Everything in CCCL is header-only.",
      "input": "ci/install_cccl.sh <guest-path>",
      "expected": "cub.cuh header installed under the prefix",
      "command": "bash ci/install_cccl.sh <guest-path>",
      "verdict": "yes",
      "outcome": "Real input produced the expected result: Installing: <guest-path>",
      "evidence": "Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: <guest-path>\n-- Installing: /tmp/coldpas",
      "returncode": 0,
      "source_checked": true,
      "source_file": "README.md"
    },
    {
      "kind": "claim",
      "claim": "A convenience script installs CCCL to a given directory",
      "source": "ci/install_cccl.sh /usr/local",
      "input": "ci/install_cccl.sh <guest-path>",
      "expected": "install finishes with success banner",
      "command": "bash ci/install_cccl.sh <guest-path>",
      "verdict": "yes",
      "outcome": "Real input produced the expected result: Install CCCL - Success",
      "evidence": "Install CCCL - Success - Duration: 3s ==================\n\u001b[0m\n",
      "returncode": 0,
      "source_checked": true,
      "source_file": "README.md"
    }
  ],
  "claims_note": null,
  "example_checks": [
    {
      "kind": "example",
      "claim": "Installation example project (examples/basic) builds CCCL demo",
      "source": "examples/basic/README.md",
      "input": "",
      "command": "",
      "evidence": "Not runnable in this VM: examples/basic declares project(CCCLDemo CUDA), needs an NVIDIA nvcc (none installed, no /usr/local/cuda, no GPU) and fetches CCCL from GitHub via CPM. Ran the README installer ci/install_cccl.sh instead, which is the documented install path.",
      "deferred": false,
      "expected": "documented command completes successfully",
      "verdict": "blocked",
      "outcome": "Not runnable in this VM: examples/basic declares project(CCCLDemo CUDA), needs an NVIDIA nvcc (none installed, no /usr/local/cuda, no GPU) and fetches CCCL from GitHub via CPM. Ran the README installer ci/install_cccl.sh instead, which is the documented install path."
    }
  ],
  "does_what_it_says": "yes",
  "maintenance": {
    "archived": false,
    "commits_90d": 1008,
    "last_commit_at": "2026-10-27T19:09:05Z",
    "last_release_at": "2026-10-07T16:11:10Z",
    "median_reply_hours": null,
    "merged_prs_90d": 1048,
    "note": "actively maintained: last commit 0 days ago; 1008 commits and 1048 merged PRs in 90 days; 1475 open issues, 396 open PRs; latest release 2026-10-07",
    "open_issues": 1475,
    "open_prs": 396,
    "reply_share": null,
    "reply_threads": 0,
    "verdict": "maintained"
  },
  "maintenance_verdict": "maintained",
  "maintenance_note": "actively maintained: last commit 0 days ago; 1008 commits and 1048 merged PRs in 90 days; 1475 open issues, 396 open PRs; latest release 2026-10-07",
  "maintained": "active",
  "maintained_note": "last commit 0 days ago; 3 open issues, 3 answered or closed",
  "last_commit_at": "2026-10-27T19:43:09Z",
  "last_release_at": "2026-10-07T16:11:10Z",
  "open_issues": 3,
  "answered_issues": 3,
  "platforms_claimed": [
    "linux",
    "windows"
  ],
  "topic": "coding",
  "agent_interfaces": [
    {
      "interface": "cli",
      "evidence": "independent checker",
      "observed": true,
      "operation_checked": true
    }
  ],
  "agent_interfaces_note": "README metadata is a discovery hint, not pinned documentation proof. Observed interfaces were exercised in this run. An empty list means unknown.",
  "mcp_context": null,
  "tested_at": "2026-10-27T22:41:42.576458+00:00",
  "tested_commit": "72c6a920960066cf251efb7b9f09427e8b0b5971",
  "tested_with": {
    "agent": "claude-code",
    "agent_version": "2.1.310 (Claude Code)",
    "model": "claude-haiku-5-5",
    "model_route": "claude-haiku-5-5",
    "reasoning": "low",
    "os": "linux",
    "backend": "hyperv",
    "transport": "mcp-assigned-vm"
  },
  "setup_identity": {
    "repo": "NVIDIA/cccl",
    "source": "https://github.com/NVIDIA/cccl",
    "commit": "72c6a920960066cf251efb7b9f09427e8b0b5971",
    "source_revision": null,
    "os": "linux",
    "architecture": null,
    "backend": "hyperv",
    "model": "claude-haiku-5-5",
    "model_version": "claude-haiku-5-5",
    "agent_execution": "native_agent",
    "agent_runtime": "claude-code",
    "agent_runtime_version": "2.1.310 (Claude Code)",
    "tool_transport": "mcp-assigned-vm",
    "runtime": null,
    "runtime_version": null,
    "runtime_revision": null,
    "sandbox_source": null,
    "guest_setup": null,
    "source_pin": {
      "commit": "72c6a920960066cf251efb7b9f09427e8b0b5971",
      "url": "https://github.com/NVIDIA/cccl"
    },
    "platform_details": {
      "os": "linux",
      "backend": "hyperv"
    },
    "platform_conflicts": null,
    "reasoning": "low",
    "service_tier": null,
    "resources": {
      "cpus": 2,
      "memory_mib": 4096,
      "disk_mib": 32768
    },
    "operation": "Install CCCL headers and CMake package files with the README's convenience installer: bash ci/install_cccl.sh <prefix>",
    "operation_scope": "product operation",
    "hosting": null,
    "kind": "repo",
    "test_version": "readme-d5b140d3c0f8b95c2dd6fe6fc381a303cacb92679582c22317d8e78b572f0cf2",
    "evidence_version": null
  },
  "transcript_url": "/transcripts/NVIDIA--cccl-claude-haiku-5-5-1793140569716834673.txt",
  "report_url": "/reports/NVIDIA--cccl-claude-haiku-5-5-1793140569716834673.json"
}
