rustdoc: Make some pub items crate-private

They don't need to be `pub`. Making them crate-private improves code
clarity and `dead_code` linting.

src/librustdoc/clean/types.rs

@@ -429,7 +429,7 @@ impl Item {
 
     /// Convenience wrapper around [`Self::from_def_id_and_parts`] which converts
     /// `hir_id` to a [`DefId`]
-    pub fn from_hir_id_and_parts(
+    crate fn from_hir_id_and_parts(
         hir_id: hir::HirId,
         name: Option<Symbol>,
         kind: ItemKind,
@@ -438,7 +438,7 @@ impl Item {
         Item::from_def_id_and_parts(cx.tcx.hir().local_def_id(hir_id).to_def_id(), name, kind, cx)
     }
 
-    pub fn from_def_id_and_parts(
+    crate fn from_def_id_and_parts(
         def_id: DefId,
         name: Option<Symbol>,
         kind: ItemKind,
@@ -456,7 +456,7 @@ impl Item {
         )
     }
 
-    pub fn from_def_id_and_attrs_and_parts(
+    crate fn from_def_id_and_attrs_and_parts(
         def_id: DefId,
         name: Option<Symbol>,
         kind: ItemKind,
@@ -984,26 +984,26 @@ crate fn collapse_doc_fragments(doc_strings: &[DocFragment]) -> String {
 #[derive(Clone, Debug, PartialEq, Eq, Hash)]
 crate struct ItemLink {
     /// The original link written in the markdown
-    pub(crate) link: String,
+    crate link: String,
     /// The link text displayed in the HTML.
     ///
     /// This may not be the same as `link` if there was a disambiguator
     /// in an intra-doc link (e.g. \[`fn@f`\])
-    pub(crate) link_text: String,
-    pub(crate) did: DefId,
+    crate link_text: String,
+    crate did: DefId,
     /// The url fragment to append to the link
-    pub(crate) fragment: Option<UrlFragment>,
+    crate fragment: Option<UrlFragment>,
 }
 
 pub struct RenderedLink {
     /// The text the link was original written as.
     ///
     /// This could potentially include disambiguators and backticks.
-    pub(crate) original_text: String,
+    crate original_text: String,
     /// The text to display in the HTML
-    pub(crate) new_text: String,
+    crate new_text: String,
     /// The URL to put in the `href`
-    pub(crate) href: String,
+    crate href: String,
 }
 
 /// The attributes on an [`Item`], including attributes like `#[derive(...)]` and `#[inline]`,

src/librustdoc/core.rs

@@ -33,8 +33,8 @@ use crate::passes::{self, Condition::*};
 crate use rustc_session::config::{DebuggingOptions, Input, Options};
 
 crate struct ResolverCaches {
-    pub all_traits: Option<Vec<DefId>>,
-    pub all_trait_impls: Option<Vec<DefId>>,
+    crate all_traits: Option<Vec<DefId>>,
+    crate all_trait_impls: Option<Vec<DefId>>,
 }
 
 crate struct DocContext<'tcx> {

src/librustdoc/html/render/mod.rs

@@ -175,7 +175,7 @@ crate struct StylePath {
 }
 
 impl StylePath {
-    pub fn basename(&self) -> Result<String, Error> {
+    crate fn basename(&self) -> Result<String, Error> {
         Ok(try_none!(try_none!(self.path.file_stem(), &self.path).to_str(), &self.path).to_string())
     }
 }

src/librustdoc/passes/collect_intra_doc_links.rs

@@ -362,7 +362,7 @@ struct DiagnosticInfo<'a> {
 
 #[derive(Clone, Debug, Hash)]
 struct CachedLink {
-    pub res: (Res, Option<UrlFragment>),
+    res: (Res, Option<UrlFragment>),
 }
 
 struct LinkCollector<'a, 'tcx> {