Crate features / opentelemetry
Feature flags · opentelemetry 0.33.1 · from crates.io 2026-10-24
opentelemetry features: what each one does, and the line to copy
Short answeropentelemetry 0.33.1 has 8 features. By default it turns on trace, metrics, logs, internal-logs, futures; add default-features = false to start from nothing. It needs Rust 1.75.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
experimental_context_observer | nothing else (a switch the code checks) | |
experimental_metrics_bound_instruments | metrics | |
futures | yes | futures-core, futures-sink, pin-project-lite |
internal-logs | yes | tracing |
logs | yes | nothing else (a switch the code checks) |
metrics | yes | nothing else (a switch the code checks) |
testing | trace | |
trace | yes | futures, thiserror |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version opentelemetry declares (rust-version), and the release that changed it:
- 0.18.0 (2022-09-13): Rust 1.56
- 0.19.0 (2023-03-26): Rust 1.60
- 0.21.0 (2023-11-06): Rust 1.65
- 0.27.0 (2024-11-12): Rust 1.70
- 0.28.0 (2025-02-10): Rust 1.75.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p opentelemetry --precise <version>, or use resolver 3, which picks compatible versions for you.
More on opentelemetry
Real downloads, dependents and alternatives: opentelemetry crate data (843.7K real downloads a day, 1,838 dependents).
docs.rs feature list · crates.io · license Apache-2.0 · edition 2021
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