all: address clippy lints

src/portal/ptl_display.rs

@@ -181,7 +181,10 @@ impl UsrJayRenderCtxOwner for PortalDisplay {
                         return;
                     }
                 };
-            let ctx = Rc::new(PortalRenderCtx { dev_id, ctx });
+            let ctx = Rc::new(PortalRenderCtx {
+                _dev_id: dev_id,
+                ctx,
+            });
             self.render_ctx.set(Some(ctx.clone()));
             self.state.render_ctxs.set(dev_id, Rc::downgrade(&ctx));
         }

src/portal/ptl_render_ctx.rs

@@ -1,6 +1,6 @@
 use {crate::gfx_api::GfxContext, std::rc::Rc, uapi::c};
 
 pub struct PortalRenderCtx {
-    pub dev_id: c::dev_t,
+    pub _dev_id: c::dev_t,
     pub ctx: Rc<dyn GfxContext>,
 }

src/portal/ptl_screencast.rs

@@ -101,7 +101,7 @@ pub struct SelectingWorkspaceScreencast {
 
 pub struct StartingScreencast {
     pub session: Rc<ScreencastSession>,
-    pub request_obj: Rc<DbusObject>,
+    pub _request_obj: Rc<DbusObject>,
     pub reply: Rc<PendingReply<StartReply<'static>>>,
     pub node: Rc<PwClientNode>,
     pub dpy: Rc<PortalDisplay>,
@@ -241,7 +241,7 @@ impl SelectingScreencastCore {
         ]);
         let starting = Rc::new(StartingScreencast {
             session: self.session.clone(),
-            request_obj: self.request_obj.clone(),
+            _request_obj: self.request_obj.clone(),
             reply: self.reply.clone(),
             node,
             dpy: dpy.clone(),
@@ -391,9 +391,9 @@ impl UsrJayScreencastOwner for StartedScreencast {
         let bc = PwClientNodeBufferConfig {
             num_buffers: buffers.len(),
             planes: buffer.planes.len(),
-            stride: Some(buffer.planes[0].stride),
-            size: Some(buffer.planes[0].stride * buffer.height as u32),
-            align: 16,
+            _stride: Some(buffer.planes[0].stride),
+            _size: Some(buffer.planes[0].stride * buffer.height as u32),
+            _align: 16,
             data_type: SPA_DATA_DmaBuf,
         };
         self.port.buffer_config.set(Some(bc));

src/portal/ptr_gui.rs

@@ -846,7 +846,7 @@ pub struct GuiBuffer {
     pub fb: Rc<dyn GfxFramebuffer>,
     pub _bo: Option<GbmBo>,
     pub free: Cell<bool>,
-    pub size: (i32, i32),
+    pub _size: (i32, i32),
 }
 
 struct GuiBufferPending {
@@ -897,7 +897,7 @@ impl UsrLinuxBufferParamsOwner for GuiBufferPending {
             fb: self.fb.clone(),
             _bo: self.bo.take(),
             free: Cell::new(true),
-            size: self.size,
+            _size: self.size,
         });
         buf.wl.owner.set(Some(buf.clone()));
         self.window.bufs.borrow_mut().push(buf);