diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 626eb2f9c..3c74b0428 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,10 +28,16 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: actions-rs/cargo@v1
+      - name: Test all targets
+        uses: actions-rs/cargo@v1
         with:
           command: test
           args: --workspace --all-targets
+      - name: Test docs
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --workspace --doc
 
   fmt:
     name: Rustfmt
diff --git a/ash/src/entry.rs b/ash/src/entry.rs
index 3a4d689df..558df95d1 100644
--- a/ash/src/entry.rs
+++ b/ash/src/entry.rs
@@ -191,10 +191,10 @@ impl<L> EntryCustom<L> {
     }
 
     #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkEnumerateInstanceVersion.html>"]
-    /// ```rust,no_run
+    /// ```no_run
     /// # use ash::{Entry, vk};
-    /// # fn main() -> Result<(), Box<std::error::Error>> {
-    /// let entry = Entry::new()?;
+    /// # fn main() -> Result<(), Box<dyn std::error::Error>> {
+    /// let entry = unsafe { Entry::new() }?;
     /// match entry.try_enumerate_instance_version()? {
     ///     // Vulkan 1.1+
     ///     Some(version) => {
diff --git a/ash/src/entry_libloading.rs b/ash/src/entry_libloading.rs
index 4ff55f3f0..ab286ebe7 100644
--- a/ash/src/entry_libloading.rs
+++ b/ash/src/entry_libloading.rs
@@ -46,10 +46,10 @@ impl EntryCustom<Arc<Library>> {
     /// `dlopen`ing native libraries is inherently unsafe. The safety guidelines
     /// for [`Library::new`] and [`Library::get`] apply here.
     ///
-    /// ```rust,no_run
+    /// ```no_run
     /// use ash::{vk, Entry, version::EntryV1_0};
-    /// # fn main() -> Result<(), Box<std::error::Error>> {
-    /// let entry = Entry::new()?;
+    /// # fn main() -> Result<(), Box<dyn std::error::Error>> {
+    /// let entry = unsafe { Entry::new() }?;
     /// let app_info = vk::ApplicationInfo {
     ///     api_version: vk::make_version(1, 0, 0),
     ///     ..Default::default()
diff --git a/ash/src/lib.rs b/ash/src/lib.rs
index 11374f5df..4f3f59634 100644
--- a/ash/src/lib.rs
+++ b/ash/src/lib.rs
@@ -5,10 +5,10 @@
 //!
 //! ## Examples
 //!
-//! ```rust,no_run
+//! ```no_run
 //! use ash::{vk, Entry, version::EntryV1_0};
 //! # fn main() -> Result<(), Box<dyn std::error::Error>> {
-//! let entry = Entry::new()?;
+//! let entry = unsafe { Entry::new() }?;
 //! let app_info = vk::ApplicationInfo {
 //!     api_version: vk::make_version(1, 0, 0),
 //!     ..Default::default()