silence clippy

src/borrow_tracker/tree_borrows/foreign_access_skipping.rs

@@ -11,8 +11,8 @@ use super::tree::AccessRelatedness;
 /// - `None` means that the node (and its subtrees) are not (guaranteed to be) idempotent under any foreign access.
 /// - `Read` means that the node (and its subtrees) are idempotent under foreign reads, but not (yet / necessarily) under foreign writes.
 /// - `Write` means that the node (and its subtrees) are idempotent under foreign writes. This also implies that it is idempotent under foreign
-/// reads, since reads are stronger than writes (see test `foreign_read_is_noop_after_foreign_write`). In other words, this node can be skipped
-/// for all foreign accesses.
+///   reads, since reads are stronger than writes (see test `foreign_read_is_noop_after_foreign_write`). In other words, this node can be skipped
+///   for all foreign accesses.
 ///
 /// Since a traversal does not just visit a node, but instead the entire subtree, the SIFA field for a given node indicates that the access to
 /// *the entire subtree* rooted at that node can be skipped. In order for this to work, we maintain the global invariant that at