Deny warning when building doc (#10387)

* deny warning

* add new job

* fix doc

* fmt

substrate/.gitlab-ci.yml

@@ -650,6 +650,18 @@ build-macos-subkey:
   tags:
     - osx
 
+check-rustdoc:
+  stage:                           test
+  <<:                              *docker-env
+  <<:                              *test-refs
+  variables:
+    <<:                            *default-vars
+    SKIP_WASM_BUILD:               1
+    RUSTDOCFLAGS:                  "-Dwarnings"
+  script:
+    - time cargo +nightly doc --workspace --all-features --verbose --no-deps
+    - sccache -s
+
 build-rustdoc:
   stage:                           build
   <<:                              *docker-env
@@ -665,7 +677,6 @@ build-rustdoc:
     paths:
     - ./crate-docs/
   script:
-    # FIXME: it fails with `RUSTDOCFLAGS="-Dwarnings"`
     - time cargo +nightly doc --workspace --all-features --verbose
     - rm -f ./target/doc/.lock
     - mv ./target/doc ./crate-docs

substrate/primitives/beefy/src/commitment.rs

@@ -27,9 +27,9 @@ pub type BeefyPayloadId = [u8; 2];
 pub mod known_payload_ids {
 	use crate::BeefyPayloadId;
 
-	/// A [`Payload`] identifier for Merkle Mountain Range root hash.
+	/// A [`Payload`](super::Payload) identifier for Merkle Mountain Range root hash.
 	///
-	/// Encoded value should contain a [`beefy_primitives::MmrRootHash`] type (i.e. 32-bytes hash).
+	/// Encoded value should contain a [`crate::MmrRootHash`] type (i.e. 32-bytes hash).
 	pub const MMR_ROOT_ID: BeefyPayloadId = *b"mh";
 }
 
@@ -137,7 +137,7 @@ where
 ///
 /// Note that SCALE-encoding of the structure is optimized for size efficiency over the wire,
 /// please take a look at custom [`Encode`] and [`Decode`] implementations and
-/// [`CompactSignedCommitment`] struct.
+/// `CompactSignedCommitment` struct.
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct SignedCommitment<TBlockNumber> {
 	/// The commitment signatures are collected for.

substrate/utils/frame/remote-externalities/src/lib.rs

@@ -738,7 +738,7 @@ impl<B: BlockT + DeserializeOwned> Builder<B> {
 		self
 	}
 
-	/// Just a utility wrapper of [`inject_hashed_prefix`] that injects
+	/// Just a utility wrapper of [`Self::inject_hashed_prefix`] that injects
 	/// [`DEFAULT_CHILD_STORAGE_KEY_PREFIX`] as a prefix.
 	///
 	/// If set, this will guarantee that the child-tree data of ALL pallets will be downloaded.
@@ -747,9 +747,9 @@ impl<B: BlockT + DeserializeOwned> Builder<B> {
 	///
 	/// Otherwise, the only other way to make sure a child-tree is manually included is to inject
 	/// its root (`DEFAULT_CHILD_STORAGE_KEY_PREFIX`, plus some other postfix) into
-	/// [`inject_hashed_key`]. Unfortunately, there's no federated way of managing child tree roots
-	/// as of now and each pallet does its own thing. Therefore, it is not possible for this library
-	/// to automatically include child trees of pallet X, when its top keys are included.
+	/// [`Self::inject_hashed_key`]. Unfortunately, there's no federated way of managing child tree
+	/// roots as of now and each pallet does its own thing. Therefore, it is not possible for this
+	/// library to automatically include child trees of pallet X, when its top keys are included.
 	pub fn inject_default_child_tree_prefix(self) -> Self {
 		self.inject_hashed_prefix(DEFAULT_CHILD_STORAGE_KEY_PREFIX)
 	}