diff --git a/src/bin/topola-egui/app.rs b/src/bin/topola-egui/app.rs
index 9fa8d9e..7b19027 100644
--- a/src/bin/topola-egui/app.rs
+++ b/src/bin/topola-egui/app.rs
@@ -115,7 +115,8 @@ impl App {
                 Ok(design) => match self.load_specctra_dsn(design) {
                     Ok(()) => {}
                     Err(err) => {
-                        self.error_dialog.push_error("tr-module-specctra-dsn-file-loader", err);
+                        self.error_dialog
+                            .push_error("tr-module-specctra-dsn-file-loader", err);
                     }
                 },
                 Err(SpecctraLoadingError::Parse(err)) => {
@@ -123,7 +124,8 @@ impl App {
                         "tr-module-specctra-dsn-file-loader",
                         format!(
                             "{}; {}",
-                            self.translator.text("tr-error_failed-to-parse-as-specctra-dsn"),
+                            self.translator
+                                .text("tr-error_failed-to-parse-as-specctra-dsn"),
                             err
                         ),
                     );
@@ -131,7 +133,11 @@ impl App {
                 Err(SpecctraLoadingError::Io(err)) => {
                     self.error_dialog.push_error(
                         "tr-module-specctra-dsn-file-loader",
-                        format!("{}; {}", self.translator.text("tr-error_unable-to-read-file"), err),
+                        format!(
+                            "{}; {}",
+                            self.translator.text("tr-error_unable-to-read-file"),
+                            err
+                        ),
                     );
                 }
             }
@@ -147,7 +153,11 @@ impl App {
                     Ok(Err(err)) => {
                         self.error_dialog.push_error(
                             "tr-module-history-file-loader",
-                            format!("{}; {}", tr.text("tr-error_failed-to-parse-as-history-json"), err),
+                            format!(
+                                "{}; {}",
+                                tr.text("tr-error_failed-to-parse-as-history-json"),
+                                err
+                            ),
                         );
                     }
                     Err(err) => {
@@ -164,7 +174,8 @@ impl App {
                     Ok(ActivityStatus::Running) => true,
                     Ok(ActivityStatus::Finished(..)) => false,
                     Err(err) => {
-                        self.error_dialog.push_error("tr-module-invoker", format!("{}", err));
+                        self.error_dialog
+                            .push_error("tr-module-invoker", format!("{}", err));
                         false
                     }
                 };
@@ -177,11 +188,21 @@ impl App {
     fn load_specctra_dsn(&mut self, design: SpecctraDesign) -> Result<(), String> {
         let tr = &self.translator;
         let board = design.make_board();
-        let overlay = Overlay::new(&board)
-            .map_err(|err| format!("{}; {}", tr.text("tr-error_unable-to-initialize-overlay"), err))?;
+        let overlay = Overlay::new(&board).map_err(|err| {
+            format!(
+                "{}; {}",
+                tr.text("tr-error_unable-to-initialize-overlay"),
+                err
+            )
+        })?;
         let layers = Layers::new(&board);
-        let autorouter = Autorouter::new(board)
-            .map_err(|err| format!("{}; {}", tr.text("tr-error_unable-to-initialize-autorouter"), err))?;
+        let autorouter = Autorouter::new(board).map_err(|err| {
+            format!(
+                "{}; {}",
+                tr.text("tr-error_unable-to-initialize-autorouter"),
+                err
+            )
+        })?;
         self.maybe_overlay = Some(overlay);
         self.maybe_layers = Some(layers);
         self.maybe_design = Some(design);
diff --git a/src/bin/topola-egui/error_dialog.rs b/src/bin/topola-egui/error_dialog.rs
index 86f87b0..2058121 100644
--- a/src/bin/topola-egui/error_dialog.rs
+++ b/src/bin/topola-egui/error_dialog.rs
@@ -38,7 +38,10 @@ impl ErrorDialog {
             .open(&mut self.window_open)
             .scroll(true)
             .show(ctx, |ui| {
-                if ui.button(tr.text("tr-dialog-tr-error-messages_reset")).clicked() {
+                if ui
+                    .button(tr.text("tr-dialog-tr-error-messages_reset"))
+                    .clicked()
+                {
                     self.messages.clear();
                     messages_cleared = true;
                 }
@@ -72,7 +75,12 @@ impl ErrorDialog {
 
                         // TODO: perhaps alternatively, use small icon instead?
                         //   (provide alt text in that case!)
-                        if ui.add(egui::Button::new(tr.text("tr-dialog-tr-error-messages_discard"))).clicked() {
+                        if ui
+                            .add(egui::Button::new(
+                                tr.text("tr-dialog-tr-error-messages_discard"),
+                            ))
+                            .clicked()
+                        {
                             messages_to_discard.insert(msg_id);
                         }
                         ui.label(WidgetText::LayoutJob(loj));
diff --git a/src/bin/topola-egui/menu_bar.rs b/src/bin/topola-egui/menu_bar.rs
index 36dd4da..e0ba6ba 100644
--- a/src/bin/topola-egui/menu_bar.rs
+++ b/src/bin/topola-egui/menu_bar.rs
@@ -177,7 +177,10 @@ impl MenuBar {
 
                         ui.separator();
 
-                        ui.checkbox(&mut self.show_ratsnest, tr.text("tr-menu-view_show-ratsnest"));
+                        ui.checkbox(
+                            &mut self.show_ratsnest,
+                            tr.text("tr-menu-view_show-ratsnest"),
+                        );
                         ui.checkbox(&mut self.show_navmesh, tr.text("tr-menu-view_show-navmesh"));
                         ui.checkbox(&mut self.show_bboxes, tr.text("tr-menu-view_show-bboxes"));
                         ui.checkbox(
@@ -187,7 +190,10 @@ impl MenuBar {
 
                         ui.separator();
 
-                        ui.checkbox(&mut self.show_layer_manager, tr.text("tr-menu-view_show-layer-manager"));
+                        ui.checkbox(
+                            &mut self.show_layer_manager,
+                            tr.text("tr-menu-view_show-layer-manager"),
+                        );
 
                         ui.separator();