1 files changed, 3 insertions, 0 deletions

diff --git a/crates/project_model/src/cargo_workspace.rs b/crates/project_model/src/cargo_workspace.rs
index d5f6a4025..608a031d4 100644
--- a/crates/project_model/src/cargo_workspace.rs
+++ b/crates/project_model/src/cargo_workspace.rs
@@ -64,6 +64,9 @@ pub struct CargoConfig {
 
     /// rustc target
     pub target: Option<String>,
+
+    /// rustc private crate source
+    pub rustc_source: Option<AbsPathBuf>,
 }
 
 pub type Package = Idx<PackageData>;