chore: Clippy fixes

macro/src/pipe.rs

@@ -90,7 +90,7 @@ impl ToTokens for Pipe {
 
                 if !_output.status.success() {
                     return Err(::comlexr::ExecutorError::FailedCommand{
-                        command: #prev_com_ident,
+                        command: std::boxed::Box::new(#prev_com_ident),
                         exit_code: _output.status.code().unwrap_or(1),
                     });
                 }