Write key-value pairs after target

src/fmt/mod.rs

@@ -247,8 +247,8 @@ impl<'a> DefaultFormat<'a> {
         self.write_timestamp()?;
         self.write_level(record)?;
         self.write_module_path(record)?;
-        self.write_kv(record)?;
         self.write_target(record)?;
+        self.write_kv(record)?;
         self.finish_header()?;
 
         self.write_args(record)
@@ -714,4 +714,38 @@ mod tests {
         #[cfg(feature = "kv_unstable")]
         assert_eq!("[INFO  a=1 b=2] log\nmessage\n", written);
     }
+
+    #[cfg(feature = "kv_unstable")]
+    #[test]
+    fn format_kv_full() {
+        let kvs = &[("a", 1u32), ("b", 2u32)][..];
+        let mut f = formatter();
+        let record = Record::builder()
+            .args(format_args!("log\nmessage"))
+            .level(Level::Info)
+            .module_path(Some("test::path"))
+            .target("target")
+            .file(Some("test.rs"))
+            .line(Some(42))
+            .key_values(&kvs)
+            .build();
+
+        let written = write_record(
+            record,
+            DefaultFormat {
+                timestamp: None,
+                module_path: true,
+                target: true,
+                level: true,
+                key_values: true,
+                written_header_value: false,
+                indent: None,
+                suffix: "\n",
+                buf: &mut f,
+            },
+        );
+
+        #[cfg(feature = "kv_unstable")]
+        assert_eq!("[INFO  test::path target a=1 b=2] log\nmessage\n", written);
+    }
 }