Fixed the error message of invalid array element access in ch03.2

Author: Amjad50

listings/ch03-common-programming-concepts/no-listing-15-invalid-array-access/output.txt

@@ -1,6 +1,15 @@
 $ cargo run
    Compiling arrays v0.1.0 (file:///projects/arrays)
-    Finished dev [unoptimized + debuginfo] target(s) in 0.31s
-     Running `target/debug/arrays`
-thread 'main' panicked at 'index out of bounds: the len is 5 but the index is 10', src/main.rs:5:19
-note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
+error: this operation will panic at runtime
+ --> src/main.rs:5:19
+  |
+5 |     let element = a[index];
+  |                   ^^^^^^^^ index out of bounds: the len is 5 but the index is 10
+  |
+  = note: `#[deny(unconditional_panic)]` on by default
+
+error: aborting due to previous error
+
+error: could not compile `arrays`.
+
+To learn more, run the command again with --verbose.

src/ch03-02-data-types.md

@@ -320,7 +320,7 @@ compile but exit with an error when it runs:
 
 <span class="filename">Filename: src/main.rs</span>
 
-```rust,ignore,panics
+```rust,ignore,does_not_compile
 {{#rustdoc_include ../listings/ch03-common-programming-concepts/no-listing-15-invalid-array-access/src/main.rs}}
 ```