diff --git a/src/printer/default_printer.rs b/src/printer/default_printer.rs
index c939823..498a9e3 100644
--- a/src/printer/default_printer.rs
+++ b/src/printer/default_printer.rs
@@ -94,7 +94,12 @@ impl DefaultReportPrinter {
                 } else {
                     self.theme.characters.lbot
                 };
-                let msg = format!("    {}{}{} {}", char, self.theme.characters.hbar, self.theme.characters.rarrow, error).style(severity_style).to_string();
+                let msg = format!(
+                    "    {}{}{} {}",
+                    char, self.theme.characters.hbar, self.theme.characters.rarrow, error
+                )
+                .style(severity_style)
+                .to_string();
                 writeln!(f, "{}", msg)?;
             }
         }
diff --git a/src/printer/theme.rs b/src/printer/theme.rs
index f4cb0c2..b27b358 100644
--- a/src/printer/theme.rs
+++ b/src/printer/theme.rs
@@ -66,7 +66,11 @@ impl MietteStyles {
             code: style().yellow(),
             help: style().cyan(),
             filename: style().cyan().underline().bold(),
-            highlights: vec![style().red().bold(), style().yellow().bold(), style().cyan().bold()],
+            highlights: vec![
+                style().red().bold(),
+                style().yellow().bold(),
+                style().cyan().bold(),
+            ],
         }
     }
 
diff --git a/tests/printer.rs b/tests/printer.rs
index ec9a0b3..79102d2 100644
--- a/tests/printer.rs
+++ b/tests/printer.rs
@@ -53,7 +53,9 @@ fn single_line_highlight() -> Result<(), MietteError> {
  3 │     here
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }
@@ -92,7 +94,9 @@ fn single_line_highlight_no_label() -> Result<(), MietteError> {
  3 │     here
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }
@@ -136,7 +140,9 @@ fn multiple_same_line_highlights() -> Result<(), MietteError> {
  3 │     here
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }
@@ -175,7 +181,9 @@ fn multiline_highlight_adjacent() -> Result<(), MietteError> {
    · ╰──── these two lines
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }
@@ -211,7 +219,7 @@ line5
     };
     let out = fmt_report(err.into());
     println!("{}", out);
-    let expected =r#"
+    let expected = r#"
 ────[oops::my::bad]────────────────────
 
     × oops!
@@ -226,7 +234,9 @@ line5
    · ╰───── block 1
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }
@@ -276,7 +286,9 @@ line5
    · ╰───── block 1
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }
@@ -306,7 +318,7 @@ fn multiple_multiline_highlights_adjacent() -> Result<(), MietteError> {
     };
     let out = fmt_report(err.into());
     println!("{}", out);
-    let expected =r#"
+    let expected = r#"
 ────[oops::my::bad]────────────────────
 
     × oops!
@@ -320,7 +332,9 @@ fn multiple_multiline_highlights_adjacent() -> Result<(), MietteError> {
    · ╰──── also this bit
 
     ‽ try doing it better next time?
-"#.trim_start().to_string();
+"#
+    .trim_start()
+    .to_string();
     assert_eq!(expected, out);
     Ok(())
 }