Address warnings.

src/parse/rule/impls/block/blocks/module/modules/backlinks.rs

@@ -28,7 +28,7 @@ pub const MODULE_BACKLINKS: ModuleRule = ModuleRule {
 
 fn parse_fn<'r, 't>(
     log: &slog::Logger,
-    parser: &mut Parser<'r, 't>,
+    _parser: &mut Parser<'r, 't>,
     name: &'t str,
     mut arguments: Arguments<'t>,
 ) -> ParseResult<'r, 't, Module<'t>> {

src/parse/rule/impls/block/blocks/module/modules/join.rs

@@ -28,7 +28,7 @@ pub const MODULE_JOIN: ModuleRule = ModuleRule {
 
 fn parse_fn<'r, 't>(
     log: &slog::Logger,
-    parser: &mut Parser<'r, 't>,
+    _parser: &mut Parser<'r, 't>,
     name: &'t str,
     mut arguments: Arguments<'t>,
 ) -> ParseResult<'r, 't, Module<'t>> {

src/parse/rule/impls/block/blocks/module/modules/page_tree.rs

@@ -36,11 +36,10 @@ fn parse_fn<'r, 't>(
     assert_module_name(&MODULE_PAGE_TREE, name);
 
     let root = arguments.get("root");
-
+    let depth = arguments.get_value(parser, "depth")?;
     let show_root = arguments
         .get_bool(parser, "includeHidden")?
         .unwrap_or(false);
-    let depth = arguments.get_value(parser, "depth")?;
 
     ok!(Module::PageTree {
         root,

src/parse/rule/impls/block/blocks/module/modules/rate.rs

@@ -28,7 +28,7 @@ pub const MODULE_RATE: ModuleRule = ModuleRule {
 
 fn parse_fn<'r, 't>(
     log: &slog::Logger,
-    parser: &mut Parser<'r, 't>,
+    _parser: &mut Parser<'r, 't>,
     name: &'t str,
     _arguments: Arguments<'t>,
 ) -> ParseResult<'r, 't, Module<'t>> {