fix: add severity to oneline message

Author: suo

src/render.rs

@@ -49,11 +49,12 @@ pub fn render_lint_messages_oneline(
             Some(desc) => desc.as_str(),
         };
         let description = description.lines().join(" ");
+        let severity = lint_message.severity.label();
 
         writeln!(
             stdout,
-            "{}:{}:{}: {} [{}]",
-            display_path, line_number, column, description, lint_message.code
+            "{}:{}:{}:{} {} [{}]",
+            display_path, line_number, column, severity, description, lint_message.code
         )?;
     }
 

tests/snapshots/integration_test__simple_linter_oneline.snap

@@ -4,7 +4,7 @@ expression: output_lines
 
 ---
 - "STDOUT:"
-- "tests/fixtures/fake_source_file.rs:9:1: A dummy linter failure [DUMMY]"
+- "tests/fixtures/fake_source_file.rs:9:1:Advice A dummy linter failure [DUMMY]"
 - ""
 - ""
 - "STDERR:"