remove needless clone

diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index af6b4c279318a9622814af02ec07151dfe973347..a68491b5bc73f439f140588ed9e07c61d29ac1fb 100644 (file)
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -1167,7 +1167,7 @@ fn document(&self, out_dir: &Path) -> ProcRes {
     }
 
     fn exec_compiled_test(&self) -> ProcRes {
-        let env = self.props.exec_env.clone();
+        let env = &self.props.exec_env;
 
         match &*self.config.target {
             // This is pretty similar to below, we're transforming: