Don't panic when failing to initialize incremental directory.

2 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index 70ffff1ab99..f99d9290238 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -172,7 +172,7 @@ pub fn register_plugins<'a>(
 
     let disambiguator = util::compute_crate_disambiguator(sess);
     sess.crate_disambiguator.set(disambiguator).expect("not yet initialized");
-    rustc_incremental::prepare_session_directory(sess, &crate_name, disambiguator);
+    rustc_incremental::prepare_session_directory(sess, &crate_name, disambiguator)?;
 
     if sess.opts.incremental.is_some() {
         sess.time("incr_comp_garbage_collect_session_directories", || {
diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs
index 92d05e48068..969b526235b 100644
--- a/compiler/rustc_interface/src/queries.rs
+++ b/compiler/rustc_interface/src/queries.rs
@@ -148,7 +148,7 @@ impl<'tcx> Queries<'tcx> {
                 self.compiler.register_lints.as_deref().unwrap_or_else(|| empty),
                 krate,
                 &crate_name,
-            );
+            )?;
 
             // Compute the dependency graph (in the background). We want to do
             // this as early as possible, to give the DepGraph maximum time to
@@ -157,7 +157,7 @@ impl<'tcx> Queries<'tcx> {
             // called, which happens within passes::register_plugins().
             self.dep_graph_future().ok();
 
-            result
+            Ok(result)
         })
     }