Remove nightly features

src/login/gdrive.rs

@@ -197,7 +197,15 @@ impl GDriveConfig {
                 .launch()
             );
             if let AuthType::GDrive = auth_type {
-                Command::new("xdg-open").arg("http://localhost:8000").spawn().unwrap().wait().unwrap().exit_ok().unwrap();
+                Command::new("xdg-open")
+                    .arg("http://localhost:8000")
+                    .spawn()
+                    .unwrap()
+                    .wait()
+                    .unwrap()
+                    .success()
+                    .then_some(())
+                    .unwrap()
             }
 
             // Wait for input from the user.

src/main.rs

@@ -1,9 +1,5 @@
 #![feature(let_chains)]
-#![feature(arc_unwrap_or_clone)]
-#![feature(panic_info_message)]
-#![feature(async_closure)]
-#![feature(trait_alias)]
-#![feature(exit_status_error)]
+//#![feature(exit_status_error)]
 
 pub mod about;
 pub mod entities;