diff --git a/rust/README.rst b/rust/README.rst
--- a/rust/README.rst
+++ b/rust/README.rst
@@ -74,8 +74,8 @@
 Developing Rust
 ===============
 
-The current version of Rust in use is ``1.41.1``, because it's what Debian
-stable has. You can use ``rustup override set 1.41.1`` at the root of the repo
+The current version of Rust in use is ``1.48.0``, because it's what Debian
+stable has. You can use ``rustup override set 1.48.0`` at the root of the repo
 to make it easier on you.
 
 Go to the ``hg-cpython`` folder::
diff --git a/tests/test-basic.t b/tests/test-basic.t
--- a/tests/test-basic.t
+++ b/tests/test-basic.t
@@ -55,12 +55,13 @@
 On Python 3, stdio may be None:
 
   $ hg debuguiprompt --config ui.interactive=true 0<&-
-   abort: Bad file descriptor
+   abort: Bad file descriptor (no-rhg !)
+   abort: response expected (rhg !)
   [255]
   $ hg version -q 0<&-
   Mercurial Distributed SCM * (glob)
 
-#if py3
+#if py3 no-rhg
   $ hg version -q 1>&-
   abort: Bad file descriptor
   [255]