Add ,ignore to rust snippets

README.md

@@ -28,7 +28,7 @@ will be converted to:
 
 Paragraph text.
 
-```rust
+```rust,ignore
 some_code();
 ```
 ````

packages/mdbook-rust/src/lib.rs

@@ -177,7 +177,7 @@ fn ensure_in_code_block<'a>(in_code_block: &mut bool, whitespace: &'a str) -> &'
     let text = if *in_code_block {
         whitespace
     } else {
-        "\n\n```rust\n"
+        "\n\n```rust,ignore\n"
     };
 
     *in_code_block = true;

packages/mdbook-rust/tests/integration.rs

@@ -35,7 +35,7 @@ fn basic() {
 
             Body text
 
-            ```rust
+            ```rust,ignore
             let x = 1;
             ```
         "},
@@ -107,7 +107,7 @@ fn code_only() {
         indoc! {"
 
 
-            ```rust
+            ```rust,ignore
             let x = 1;
             let y = 1;
             ```
@@ -128,7 +128,7 @@ fn code_spacing() {
         indoc! {"
 
 
-            ```rust
+            ```rust,ignore
             let x = 1;
 
             let y = 1;