Instrument a Rust client-server application with OTEL tracing. Demonstrate context propagation, produce exactly 2 trace IDs.
Common failure modes
- Rust OTEL SDK is complex - Strict assertion on trace ID count - Cargo dependency management challenges
Performance
| Model | Pass Rate | Runs | Avg Cost | Avg Time |
|---|---|---|---|---|
| gpt-5.2 | 33% | | $1.12 | 48m |
| gpt-5.2-codex | 0% | | $0.00 | 3m |
| grok-4.1-fast | 0% | | $0.21 | 38m |
| gpt-5.1 | 0% | | $0.25 | 7m |
| gemini-3-flash-preview | 0% | | $0.27 | 31m |
| kimi-k2-thinking | 0% | | $0.28 | 52m |
| deepseek-v3.2 | 0% | | $0.45 | 52m |
| claude-haiku-4.5 | 0% | | $0.47 | 16m |
| gemini-3-pro-preview | 0% | | $0.67 | 30m |
| grok-4 | 0% | | $0.82 | 22m |
| glm-4.7 | 0% | | $0.93 | 47m |
| claude-sonnet-4.5 | 0% | | $1.19 | 29m |
| gpt-5.1-codex-max | 0% | | $1.66 | 60m |
| claude-opus-4.5 | 0% | | $1.77 | 32m |
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