cargo: Update and cleanup dependencies

- Replace one remaining use of util::spawn with gio
- Replace pretty_env_logger with env_logger

Part-of: <https://gitlab.gnome.org/Incubator/loupe/-/merge_requests/149>

src/file_model.rs

@@ -98,7 +98,7 @@ impl LpFileModel {
         );
         self.imp().monitor.set(monitor).unwrap();
 
-        let new_files_result = util::spawn("list-files", move || {
+        let new_files_result = gio::spawn_blocking(move || {
             let mut files = IndexSet::new();
 
             let enumerator = gio::File::for_path(&directory)

src/main.rs

@@ -67,7 +67,9 @@ use application::LpApplication;
 use deps::*;
 
 fn main() -> glib::ExitCode {
-    pretty_env_logger::init_timed();
+    env_logger::Builder::from_default_env()
+        .format_timestamp_millis()
+        .init();
 
     setlocale(LocaleCategory::LcAll, "");
     bindtextdomain("loupe", config::LOCALEDIR).unwrap();

src/util.rs

@@ -155,18 +155,6 @@ pub async fn untrash(path: &Path) -> anyhow::Result<()> {
     error
 }
 
-pub async fn spawn<T: Debug + Send + 'static>(
-    name: &str,
-    f: impl Fn() -> T + Send + 'static,
-) -> async_std::io::Result<T> {
-    log::trace!("Starting thread '{name}'");
-
-    Ok(async_std::task::Builder::new()
-        .name(name.to_string())
-        .spawn(async_global_executor::spawn_blocking(f))?
-        .await)
-}
-
 #[derive(Debug, Clone, Copy)]
 pub enum Position {
     First,