diff --git a/src/cargo/ops/cargo_test.rs b/src/cargo/ops/cargo_test.rs
index 8548087986c..42e365f6ae7 100644
--- a/src/cargo/ops/cargo_test.rs
+++ b/src/cargo/ops/cargo_test.rs
@@ -20,7 +20,7 @@ pub fn run_tests(manifest_path: &Path,
         return Ok(None)
     }
     let mut errors = if options.only_doc {
-        Vec::new()
+        try!(run_doc_tests(options, test_args, &compilation))
     } else {
         try!(run_unit_tests(options, test_args, &compilation))
     };
diff --git a/tests/test_cargo_test.rs b/tests/test_cargo_test.rs
index 22b8241494f..cf6f50e8d45 100644
--- a/tests/test_cargo_test.rs
+++ b/tests/test_cargo_test.rs
@@ -2071,5 +2071,15 @@ test!(only_test_docs {
     p.build();
 
     assert_that(p.cargo("test").arg("--doc"),
-                execs().with_status(0));
+                execs().with_status(0).with_stdout(&format!("\
+[COMPILING] foo v0.0.1 ([..])
+[DOCTEST] foo
+
+running 1 test
+test bar_0 ... ok
+
+test result: ok.[..]
+
+")));
 });
+