enable unreachable_pub lint

This causes some other lints to start firing too (which is good), but
I'm going to fix them in follow-up commits to keep things organized.

src/service/rooms.rs

@@ -1,24 +1,24 @@
-pub mod alias;
-pub mod auth_chain;
-pub mod directory;
-pub mod edus;
-pub mod event_handler;
-pub mod lazy_loading;
-pub mod metadata;
-pub mod outlier;
-pub mod pdu_metadata;
-pub mod search;
-pub mod short;
-pub mod spaces;
-pub mod state;
-pub mod state_accessor;
-pub mod state_cache;
-pub mod state_compressor;
-pub mod threads;
-pub mod timeline;
-pub mod user;
+pub(crate) mod alias;
+pub(crate) mod auth_chain;
+pub(crate) mod directory;
+pub(crate) mod edus;
+pub(crate) mod event_handler;
+pub(crate) mod lazy_loading;
+pub(crate) mod metadata;
+pub(crate) mod outlier;
+pub(crate) mod pdu_metadata;
+pub(crate) mod search;
+pub(crate) mod short;
+pub(crate) mod spaces;
+pub(crate) mod state;
+pub(crate) mod state_accessor;
+pub(crate) mod state_cache;
+pub(crate) mod state_compressor;
+pub(crate) mod threads;
+pub(crate) mod timeline;
+pub(crate) mod user;
 
-pub trait Data:
+pub(crate) trait Data:
     alias::Data
     + auth_chain::Data
     + directory::Data
@@ -39,24 +39,24 @@ pub trait Data:
 {
 }
 
-pub struct Service {
-    pub alias: alias::Service,
-    pub auth_chain: auth_chain::Service,
-    pub directory: directory::Service,
-    pub edus: edus::Service,
-    pub event_handler: event_handler::Service,
-    pub lazy_loading: lazy_loading::Service,
-    pub metadata: metadata::Service,
-    pub outlier: outlier::Service,
-    pub pdu_metadata: pdu_metadata::Service,
-    pub search: search::Service,
-    pub short: short::Service,
-    pub state: state::Service,
-    pub state_accessor: state_accessor::Service,
-    pub state_cache: state_cache::Service,
-    pub state_compressor: state_compressor::Service,
-    pub timeline: timeline::Service,
-    pub threads: threads::Service,
-    pub spaces: spaces::Service,
-    pub user: user::Service,
+pub(crate) struct Service {
+    pub(crate) alias: alias::Service,
+    pub(crate) auth_chain: auth_chain::Service,
+    pub(crate) directory: directory::Service,
+    pub(crate) edus: edus::Service,
+    pub(crate) event_handler: event_handler::Service,
+    pub(crate) lazy_loading: lazy_loading::Service,
+    pub(crate) metadata: metadata::Service,
+    pub(crate) outlier: outlier::Service,
+    pub(crate) pdu_metadata: pdu_metadata::Service,
+    pub(crate) search: search::Service,
+    pub(crate) short: short::Service,
+    pub(crate) state: state::Service,
+    pub(crate) state_accessor: state_accessor::Service,
+    pub(crate) state_cache: state_cache::Service,
+    pub(crate) state_compressor: state_compressor::Service,
+    pub(crate) timeline: timeline::Service,
+    pub(crate) threads: threads::Service,
+    pub(crate) spaces: spaces::Service,
+    pub(crate) user: user::Service,
 }