all: address clippy lints

src/it/test_ifs/test_callback.rs

@@ -12,7 +12,7 @@ use {
 
 pub struct TestCallback {
     pub id: WlCallbackId,
-    pub tran: Rc<TestTransport>,
+    pub _tran: Rc<TestTransport>,
     pub handler: Cell<Option<Box<dyn FnOnce()>>>,
     pub done: Cell<bool>,
 }

src/it/test_ifs/test_dmabuf_feedback.rs

@@ -34,9 +34,9 @@ pub struct PendingFeedback {
 }
 
 pub struct Feedback {
-    pub format_table: Rc<OwnedFd>,
-    pub format_table_size: usize,
-    pub main_device: c::dev_t,
+    pub _format_table: Rc<OwnedFd>,
+    pub _format_table_size: usize,
+    pub _main_device: c::dev_t,
     pub tranches: Vec<Tranche>,
 }
 
@@ -69,12 +69,12 @@ impl TestDmabufFeedback {
         let _ev = Done::parse_full(parser)?;
         let mut pending = mem::take(self.pending_feedback.borrow_mut().deref_mut());
         self.feedback.push(Feedback {
-            format_table: match pending.format_table.take() {
+            _format_table: match pending.format_table.take() {
                 None => bail!("compositor did not send format table"),
                 Some(ft) => ft,
             },
-            format_table_size: pending.format_table_size,
-            main_device: pending.main_device,
+            _format_table_size: pending.format_table_size,
+            _main_device: pending.main_device,
             tranches: pending.tranches,
         });
         Ok(())

src/it/test_ifs/test_keyboard.rs

@@ -14,7 +14,7 @@ use {
 pub struct TestEnterEvent {
     pub serial: u32,
     pub surface: WlSurfaceId,
-    pub keys: Vec<u32>,
+    pub _keys: Vec<u32>,
 }
 
 pub struct TestKeyboard {
@@ -49,7 +49,7 @@ impl TestKeyboard {
         self.enter.push(TestEnterEvent {
             serial: ev.serial,
             surface: ev.surface,
-            keys: ev.keys.to_vec(),
+            _keys: ev.keys.to_vec(),
         });
         Ok(())
     }

src/it/test_ifs/test_registry.rs

@@ -34,7 +34,7 @@ use {
 pub struct TestGlobal {
     pub name: u32,
     pub interface: String,
-    pub version: u32,
+    pub _version: u32,
 }
 
 pub struct TestRegistrySingletons {
@@ -294,7 +294,7 @@ impl TestRegistry {
         let global = Rc::new(TestGlobal {
             name: ev.name,
             interface: ev.interface.to_string(),
-            version: ev.version,
+            _version: ev.version,
         });
         let prev = self.globals.set(ev.name, global.clone());
         let name = GlobalName::from_raw(ev.name);

src/it/test_ifs/test_subcompositor.rs

@@ -48,7 +48,7 @@ impl TestSubcompositor {
             id,
             tran: self.tran.clone(),
             destroyed: Cell::new(false),
-            server: self.tran.get_server_obj(id)?,
+            _server: self.tran.get_server_obj(id)?,
         });
         self.tran.add_obj(ss.clone())?;
         Ok(ss)

src/it/test_ifs/test_subsurface.rs

@@ -11,7 +11,7 @@ pub struct TestSubsurface {
     pub id: WlSubsurfaceId,
     pub tran: Rc<TestTransport>,
     pub destroyed: Cell<bool>,
-    pub server: Rc<WlSubsurface>,
+    pub _server: Rc<WlSubsurface>,
 }
 
 impl TestSubsurface {

src/it/test_ifs/test_virtual_keyboard_manager.rs

@@ -14,7 +14,7 @@ use {
 pub struct TestVirtualKeyboardManager {
     pub id: ZwpVirtualKeyboardManagerV1Id,
     pub tran: Rc<TestTransport>,
-    pub destroyed: Cell<bool>,
+    pub _destroyed: Cell<bool>,
 }
 
 impl TestVirtualKeyboardManager {
@@ -22,7 +22,7 @@ impl TestVirtualKeyboardManager {
         Self {
             id: tran.id(),
             tran: tran.clone(),
-            destroyed: Cell::new(false),
+            _destroyed: Cell::new(false),
         }
     }
 

src/it/test_ifs/test_xdg_base.rs

@@ -48,7 +48,7 @@ impl TestXdgWmBase {
         let xdg = Rc::new(TestXdgSurface {
             id,
             tran: self.tran.clone(),
-            server,
+            _server: server,
             destroyed: Cell::new(false),
             last_serial: Cell::new(0),
         });

src/it/test_ifs/test_xdg_surface.rs

@@ -17,7 +17,7 @@ use {
 pub struct TestXdgSurface {
     pub id: XdgSurfaceId,
     pub tran: Rc<TestTransport>,
-    pub server: Rc<XdgSurface>,
+    pub _server: Rc<XdgSurface>,
     pub destroyed: Cell<bool>,
     pub last_serial: Cell<u32>,
 }

src/it/test_transport.rs

@@ -114,7 +114,7 @@ impl TestTransport {
     pub fn sync(self: &Rc<Self>) -> impl Future<Output = ()> {
         let cb = Rc::new(TestCallback {
             id: self.id(),
-            tran: self.clone(),
+            _tran: self.clone(),
             handler: Cell::new(None),
             done: Cell::new(self.killed.get()),
         });