fix lint (#51)

Author: rtso

rust/Cargo.lock

@@ -11,3 +11,6 @@ publish = { workspace = true }
 repository = { workspace = true }
 rust-version = { workspace = true }
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tracing = { workspace = true }

rust/sample/Cargo.toml

@@ -10,9 +10,10 @@ use std::{
 ///
 /// `SampleRate` determines how often the sampled statement will occur.
 ///
-/// ```ignore
-/// use sample::{SampleRate, Sampling};
+/// ```
+/// use sample::{sample, SampleRate, Sampling};
 /// use std::time::Duration;
+/// use tracing::info;
 ///
 /// // Sampled based on frequency of events, log only every 2 logs
 /// sample!(SampleRate::Frequency(2), info!("Long log"));