{
  "checker": {
    "details": {
      "argv": [
        "/tmp/eousenv/bin/eous",
        "hash",
        "/bin/ls"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "EO1:elf64:2559:ec0f6caae9ad8275690ef76cf375df0ee9dc4d97b850b6c752c3e5f82cbffa1d1585c7e9c9496039698181d9ab9a8df1e01c418d75b313f2654b9fc1031af983",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README 'pip install eous' not used: pinned source installed with pip install . from /workspace (same package, version 0.2.0).",
    "apt cargo 1.75 failed: 'lock file version 4 requires -Znext-lockfile-bump' while parsing native/Cargo.lock; fixed by installing rustup toolchain 1.99.0 from rust-toolchain.toml and putting ~/.cargo/bin first on PATH.",
    "Installed system packages python3-venv, cargo, rustc via apt, and rustup under root's home."
  ],
  "main_blocker": null,
  "operation": "eous hash /bin/ls (README Usage: Hash a file) -> EO1:elf64 digest",
  "operation_scope": "CLI hashing of an x86-64 ELF. Compare/match/cross not run as probe. Full pytest/mypy/cargo test/ruff suites not run per smoke-task instructions.",
  "outcome": "working",
  "steps": [
    "Read README.md and .github/workflows/ci.yml",
    "apt-get install python3-venv cargo rustc (system cargo 1.75 too old)",
    "python3 -m venv /tmp/eousenv && pip install --upgrade pip",
    "curl https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain 1.99.0 (matches rust-toolchain.toml)",
    "PATH=$HOME/.cargo/bin:$PATH /tmp/eousenv/bin/pip install .  (README says pip install eous; installed from pinned source instead)",
    "/tmp/eousenv/bin/eous hash /bin/ls  -> EO1:elf64:2559:ec0f6c...",
    "/tmp/eousenv/bin/eous compare /bin/ls /bin/cat -> similarity 7.8% (exercised)"
  ],
  "stuck_step": null,
  "suggested_fix": null
}