diff --git a/nextest-runner/src/list/test_list.rs b/nextest-runner/src/list/test_list.rs
index 034a0246a69..95e12c129e2 100644
--- a/nextest-runner/src/list/test_list.rs
+++ b/nextest-runner/src/list/test_list.rs
@@ -690,8 +690,9 @@ impl<'g> RustTestArtifact<'g> {
             &self.package,
             &self.non_test_binaries,
         );
-        // Capture stdout and stderr.
+        // Capture stdout and stderr, and close stdin.
         cmd.command_mut()
+            .stdin(std::process::Stdio::null())
             .stdout(std::process::Stdio::piped())
             .stderr(std::process::Stdio::piped());