--- rustc-1.18.0-src/src/bootstrap/lib.rs.orig
+++ rustc-1.18.0-src/src/bootstrap/lib.rs
@@ -220,7 +220,7 @@
         };
         let cargo = match config.cargo {
             Some(ref s) => PathBuf::from(s),
-            None => stage0_root.join(exe("cargo", &config.build)),
+            None => PathBuf::from("cargo")
         };
         let local_rebuild = config.local_rebuild;