Do NOT run tests on some example codes

README.md

@@ -56,7 +56,7 @@ Use this crate with [metrics-exporter-prometheus] as an exporter like:
 
 [metrics-exporter-prometheus]: https://crates.io/crates/metrics-exporter-prometheus
 
-```rust
+```rust,no_run
 use std::thread;
 use std::time::{Duration, Instant};
 
@@ -85,7 +85,7 @@ whenever the `/metrics` endpoint is invoked like:
 
 [axum]: https://crates.io/crates/axum
 
-```rust
+```rust,no_run
 use axum::{routing::get, Router};
 use metrics_exporter_prometheus::PrometheusBuilder;
 use metrics_process::Collector;

src/lib.rs

@@ -90,7 +90,7 @@ impl Collector {
     ///
     /// # Example
     ///
-    /// ```
+    /// ```no_run
     /// # use metrics_exporter_prometheus::PrometheusBuilder;
     /// # use metrics_process::Collector;
     /// # #[tokio::main]
@@ -155,7 +155,7 @@ impl Collector {
     ///
     /// # Example
     ///
-    /// ```
+    /// ```no_run
     /// # use metrics_exporter_prometheus::PrometheusBuilder;
     /// # use metrics_process::Collector;
     /// # #[tokio::main]