diff --git a/servo/components/plugins/lints/unrooted_must_root.rs b/servo/components/plugins/lints/unrooted_must_root.rs
index eca9e98c28c29..0a0ec1f842388 100644
--- a/servo/components/plugins/lints/unrooted_must_root.rs
+++ b/servo/components/plugins/lints/unrooted_must_root.rs
@@ -823,7 +823,7 @@ tcx
 hir
 :
 :
-Expr
+Body
 span
 :
 codemap
@@ -997,8 +997,6 @@ span_lint
 UNROOTED_MUST_ROOT
 arg
 .
-ty
-.
 span
 "
 Type
@@ -1071,7 +1069,10 @@ walk_expr
 &
 mut
 visitor
+&
 body
+.
+value
 )
 ;
 }
@@ -1427,7 +1428,7 @@ body
 hir
 :
 :
-ExprId
+BodyId
 span
 :
 codemap
diff --git a/servo/components/plugins/utils.rs b/servo/components/plugins/utils.rs
index ff471fc04d910..3d8778d916b56 100644
--- a/servo/components/plugins/utils.rs
+++ b/servo/components/plugins/utils.rs
@@ -209,6 +209,23 @@ PathSegment
 {
 parameters
 :
+Some
+(
+ref
+params
+)
+.
+.
+}
+)
+=
+>
+{
+match
+*
+*
+params
+{
 ast
 :
 :
@@ -220,13 +237,8 @@ AngleBracketed
 ref
 a
 )
-.
-.
-}
-)
 =
 >
-{
 Some
 (
 &
@@ -234,8 +246,45 @@ a
 .
 types
 )
-}
+ast
+:
+:
+PathParameters
+:
+:
+Parenthesized
+(
 _
+)
+=
+>
+None
+}
+}
+Some
+(
+&
+ast
+:
+:
+PathSegment
+{
+parameters
+:
+None
+.
+.
+}
+)
+=
+>
+Some
+(
+&
+[
+]
+)
+None
 =
 >
 None
diff --git a/servo/rust-nightly-date b/servo/rust-nightly-date
index e378458574889..9e1d7c8f6db4c 100644
--- a/servo/rust-nightly-date
+++ b/servo/rust-nightly-date
@@ -2,4 +2,4 @@
 -
 12
 -
-19
+29