rust: update to rustc 1.81.0

ci/images_template.yml

@@ -1,4 +1,4 @@
 variables:
-  GST_RS_WIN_IMG_TAG: "2023-12-22.0"
-  GST_RS_FDO_IMG_TAG: "2024-01-05.0"
-  GST_RS_STABLE: "1.70.0"
+  GST_RS_WIN_IMG_TAG: "2024-09-11.0"
+  GST_RS_FDO_IMG_TAG: "2024-09-11.0"
+  GST_RS_STABLE: "1.81.0"

src/app.rs

@@ -15,7 +15,6 @@ use gtk::{
     PopoverMenu, ResponseType, Statusbar, Widget,
 };
 use log::error;
-use once_cell::unsync::OnceCell;
 use std::cell::{Cell, RefCell};
 use std::collections::HashMap;
 use std::fs::File;
@@ -40,7 +39,6 @@ pub struct GPSAppInner {
     pub current_graphtab: Cell<u32>,
     pub graphbook: RefCell<HashMap<u32, graphbook::GraphTab>>,
     pub builder: Builder,
-    pub plugin_list_initialized: OnceCell<bool>,
     pub signal_handlers: RefCell<HashMap<String, SignalHandlerId>>,
 }
 
@@ -100,7 +98,6 @@ impl GPSApp {
             current_graphtab: Cell::new(0),
             graphbook: RefCell::new(HashMap::new()),
             builder,
-            plugin_list_initialized: OnceCell::new(),
             signal_handlers: RefCell::new(HashMap::new()),
         }));
         let settings = Settings::load_settings();

src/logger.rs

@@ -122,8 +122,7 @@ struct WriteAdapter {
 impl io::Write for WriteAdapter {
     // On write we forward each u8 of the buffer to the sender and return the length of the buffer
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
-        self.buffer
-            .push_str(&String::from_utf8(buf.to_vec()).unwrap());
+        self.buffer.push_str(core::str::from_utf8(buf).unwrap());
         if self.buffer.ends_with('\n') {
             self.buffer.pop();
             let _ = self.sender.try_send((LogType::App, self.buffer.clone()));