Fixed warnings after Rust update.

tools/do-tasks/src/util.rs

@@ -36,18 +36,6 @@ fn cmd_impl(cmd: &str, default_args: &[&str], user_args: &[&str], envs: &[(&str,
         cmd.env_remove(remove);
     }
 
-    // rustup 1.25 sets these, breaks cargo +nightly
-    {
-        cmd.env_remove("RUSTC");
-        cmd.env_remove("RUSTDOC");
-
-        let orig_path = env::var_os("PATH").unwrap_or_default();
-        let modified_split_paths =
-            env::split_paths(&orig_path).filter(|path| !path.components().any(|component| component.as_os_str() == ".rustup"));
-        let modified_path = env::join_paths(modified_split_paths).expect("invalid PATH");
-        cmd.env("PATH", modified_path);
-    }
-
     if TaskInfo::dump() {
         if let Some(stdout) = TaskInfo::stdout_dump() {
             cmd.stdout(Stdio::from(stdout));

zero-ui-core/src/keyboard.rs

@@ -217,7 +217,7 @@ event! {
 /// [`FOCUS`]: crate::focus::FOCUS
 /// [`WINDOWS`]: crate::window::WINDOWS
 #[derive(Default)]
-pub struct KeyboardManager;
+pub struct KeyboardManager {}
 impl AppExtension for KeyboardManager {
     fn event_preview(&mut self, update: &mut EventUpdate) {
         if let Some(args) = RAW_KEY_INPUT_EVENT.on(update) {

zero-ui-core/src/text.rs

@@ -1405,7 +1405,7 @@ impl AsRef<str> for Txt {
 }
 impl std::borrow::Borrow<str> for Txt {
     fn borrow(&self) -> &str {
-        self.0.borrow()
+        self.as_str()
     }
 }
 impl<'a> std::ops::Add<&'a str> for Txt {

zero-ui/src/widgets/markdown.rs

@@ -260,7 +260,7 @@ fn markdown_view_fn(md: &str) -> impl UiNode {
                 }
                 Tag::CodeBlock(kind) => {
                     if let Some(mut txt) = code_block_text.take() {
-                        if txt.chars().rev().next() == Some('\n') {
+                        if txt.ends_with('\n') {
                             txt.pop();
                         }
                         blocks.push(code_block_view(CodeBlockFnArgs {

zero-ui/src/widgets/popup.rs

@@ -1,9 +1,8 @@
 //! Popup widget.
 
 use crate::prelude::new_widget::*;
-use crate::widgets::window::layers::LAYERS;
 
-/// An overlay container designed for use in [`LAYERS`].
+/// An overlay container.
 #[widget($crate::widgets::popup::Popup)]
 pub struct Popup(FocusableMix<StyleMix<EnabledMix<Container>>>);
 impl Popup {