1 files changed, 5 insertions, 0 deletions

diff --git a/crates/project_model/src/cargo_workspace.rs b/crates/project_model/src/cargo_workspace.rs
index bb3b6f2ef..3e0b40cbc 100644
--- a/crates/project_model/src/cargo_workspace.rs
+++ b/crates/project_model/src/cargo_workspace.rs
@@ -334,6 +334,11 @@ pub(crate) fn load_extern_resources(
     let mut cmd = Command::new(toolchain::cargo());
     cmd.args(&["check", "--message-format=json", "--manifest-path"]).arg(cargo_toml);
 
+    // --all-targets includes tests, benches and examples in addition to the
+    // default lib and bins. This is an independent concept from the --targets
+    // flag below.
+    cmd.arg("--all-targets");
+
     if let Some(target) = &cargo_features.target {
         cmd.args(&["--target", target]);
     }