Merge branch 'fix-meta-binary' into 'master'

Fix repo_binary for metapackages

See merge request redox-os/redox!1893

src/recipe.rs

@@ -181,6 +181,10 @@ impl BuildRecipe {
     }
 
     pub fn set_as_remote(&mut self) {
+        if self.kind == BuildKind::None {
+            // BuildKind::Remote won't handle remote meta-packages
+            return;
+        }
         self.kind = BuildKind::Remote;
         self.dev_dependencies = Vec::new();
     }