vet cargo docs on CI (#380)

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>

crates/runner/src/lib.rs

@@ -1,6 +1,6 @@
 //! Experimental test runner for testing [pallet-revive](https://github.com/paritytech/polkadot-sdk/tree/master/substrate/frame/revive) contracts.
-//! The crate exposes a single function [`run_tests`] that takes a [`Specs`] that defines in a declarative way:
-//! - The Genesis configuration
+//! The crate implements [`Specs`] that defines tests a declarative way:
+//! - The Genesis configuration.
 //! - A list of [`SpecsAction`] that will be executed in order.
 //!
 //! ## Example

crates/runner/src/specs.rs

@@ -220,7 +220,7 @@ impl Default for Specs {
 
 impl Specs {
     /// Get the list of actions to perform
-    /// A default [`SpecAction::VerifyCall`] is injected after each Instantiate or Call action when
+    /// A default [`SpecsAction::VerifyCall`] is injected after each Instantiate or Call action when
     /// missing and not in differential mode
     pub fn actions(&self) -> Vec<SpecsAction> {
         self.actions