fix doc tests

crates/hir/src/semantics/source_to_def.rs

@@ -5,7 +5,7 @@
 //!
 //! This module solves the following problem:
 //!
-//!     Given a piece of syntax, find the corresponding semantic definition (def).
+//! > Given a piece of syntax, find the corresponding semantic definition (def).
 //!
 //! This problem is a part of more-or-less every IDE feature implemented. Every
 //! IDE functionality (like goto to definition), conceptually starts with a

crates/hir/src/term_search/expr.rs

@@ -40,7 +40,7 @@ fn mod_item_path_str(
 /// Type tree shows how can we get from set of types to some type.
 ///
 /// Consider the following code as an example
-/// ```
+/// ```ignore
 /// fn foo(x: i32, y: bool) -> Option<i32> { None }
 /// fn bar() {
 ///    let a = 1;