diff --git a/tests/clone.sh b/tests/clone.sh
index d3dac1f..0b6fe94 100755
--- a/tests/clone.sh
+++ b/tests/clone.sh
@@ -2,7 +2,7 @@
 
 REMOTE=rust
 REPO=https://github.com/rust-lang/rust
-REV=ebddfcb0b19471d2277e05cfbc2ad8caa81637b7
+REV=9af8d42ec79558225043189e429e9d652ff89eab
 
 set -euo pipefail
 cd "$(dirname "${BASH_SOURCE[0]}")"
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 6a250b2..71d93ba 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -87,6 +87,10 @@
         "tests/rust/src/test/run-pass/new-box-syntax.rs" |
         // Deprecated placement syntax
         "tests/rust/src/test/run-pass/placement-in-syntax.rs" |
+        // TODO feature(extern_in_paths)
+        //
+        //      use extern::xcrate;
+        "tests/rust/src/test/run-pass/rfc-2126-extern-absolute-paths/extern.rs" |
         // not actually a test case
         "tests/rust/src/test/run-pass/auxiliary/macro-include-items-expr.rs" => false,
         _ => true,