Remove need for &format!(...) or &&"" dances in `span_label` calls

[rust.git] / src / librustc_typeck / coherence / overlap.rs

diff --git a/src/librustc_typeck/coherence/overlap.rs b/src/librustc_typeck/coherence/overlap.rs
index 383a9e0e69542caeadd47d406d3d3d76f90d69b5..f479dc2e6ab617a60a52a60f8bf091d6b05b0834 100644 (file)
--- a/src/librustc_typeck/coherence/overlap.rs
+++ b/src/librustc_typeck/coherence/overlap.rs
@@ -60,9 +60,9 @@ pub fn check_impl<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, node_id: ast::NodeId) {
 
         match tcx.span_of_impl(overlap.with_impl) {
             Ok(span) => {
-                err.span_label(span, &format!("first implementation here"));
+                err.span_label(span, "first implementation here");
                 err.span_label(tcx.span_of_impl(impl_def_id).unwrap(),
-                               &format!("conflicting implementation{}",
+                               format!("conflicting implementation{}",
                                         overlap.self_desc
                                             .map_or(String::new(),
                                                     |ty| format!(" for `{}`", ty))));