Rename `rustdoc::html::render::cache` to `search_index`

The old name wasn't very clear, while the new one makes it clear that
this is the code responsible for creating the search index.

3 files changed, 2 insertions, 2 deletions

diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs
index 45a436c4487..6729129027f 100644
--- a/src/librustdoc/html/render/context.rs
+++ b/src/librustdoc/html/render/context.rs
@@ -13,8 +13,8 @@ use rustc_span::edition::Edition;
 use rustc_span::source_map::FileName;
 use rustc_span::symbol::sym;
 
-use super::cache::{build_index, ExternalLocation};
 use super::print_item::{full_path, item_path, print_item};
+use super::search_index::{build_index, ExternalLocation};
 use super::templates;
 use super::write_shared::write_shared;
 use super::{
diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index eb606178d24..3e7711181f7 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -23,7 +23,7 @@
 //! These threads are not parallelized (they haven't been a bottleneck yet), and
 //! both occur before the crate is rendered.
 
-crate mod cache;
+crate mod search_index;
 
 #[cfg(test)]
 mod tests;
diff --git a/src/librustdoc/html/render/cache.rs b/src/librustdoc/html/render/search_index.rs
index 631eacc9618..631eacc9618 100644
--- a/src/librustdoc/html/render/cache.rs
+++ b/src/librustdoc/html/render/search_index.rs