diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 855b7e5b..be333e75 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ stages:
 
 variables:
   GIT_CLEAN_FLAGS: -f
-  CACHE_IMAGE_TAG: d74ceb0a
+  CACHE_IMAGE_TAG: 23a6c908
 
 default:
   # https://docs.gitlab.com/ee/ci/pipelines/settings.html#auto-cancel-pending-pipelines
diff --git a/Cargo.lock b/Cargo.lock
index cb8d3224..f536ebae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3468,9 +3468,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/client/src/gui/components/changelog_panel.rs b/client/src/gui/components/changelog_panel.rs
index 391c7ff5..8029a825 100644
--- a/client/src/gui/components/changelog_panel.rs
+++ b/client/src/gui/components/changelog_panel.rs
@@ -143,8 +143,10 @@ impl ChangelogPanelComponent {
 
                             // section done
                             // save if not empty
-                            if section_name.is_some() && !section_lines.is_empty() {
-                                sections.push((section_name.unwrap(), section_lines));
+                            if let Some(section_name) = section_name
+                                && !section_lines.is_empty()
+                            {
+                                sections.push((section_name, section_lines));
                             }
                         },
                         // paragraph without section aka note
diff --git a/client/src/gui/components/mod.rs b/client/src/gui/components/mod.rs
index 3f653285..aede76dc 100644
--- a/client/src/gui/components/mod.rs
+++ b/client/src/gui/components/mod.rs
@@ -15,7 +15,5 @@ pub use community_showcase_panel::{
 pub use game_panel::{GamePanelComponent, GamePanelMessage};
 pub use logo_panel::LogoPanelComponent;
 pub use news_panel::{NewsPanelComponent, NewsPanelMessage};
-pub use server_browser_panel::{
-    ServerBrowserEntry, ServerBrowserPanelComponent, ServerBrowserPanelMessage,
-};
+pub use server_browser_panel::{ServerBrowserPanelComponent, ServerBrowserPanelMessage};
 pub use settings_panel::{SettingsPanelComponent, SettingsPanelMessage};
diff --git a/client/src/gui/components/server_browser_panel.rs b/client/src/gui/components/server_browser_panel.rs
index 1e124cb1..5280ab38 100644
--- a/client/src/gui/components/server_browser_panel.rs
+++ b/client/src/gui/components/server_browser_panel.rs
@@ -303,7 +303,9 @@ impl ServerBrowserPanelComponent {
                 )
                 .padding(0);
 
-            let row_style = if let Some(selected_index) = self.selected_index && selected_index == i {
+            let row_style = if let Some(selected_index) = self.selected_index
+                && selected_index == i
+            {
                 ButtonStyle::ServerListEntry(ServerListEntryButtonState::Selected)
             } else {
                 ButtonStyle::ServerListEntry(ServerListEntryButtonState::NotSelected)
diff --git a/client/src/gui/rss_feed.rs b/client/src/gui/rss_feed.rs
index c0fb40ea..1b459a8d 100644
--- a/client/src/gui/rss_feed.rs
+++ b/client/src/gui/rss_feed.rs
@@ -89,7 +89,7 @@ pub trait RssFeedComponent {
             },
             RssFeedComponentMessage::ImageFetched { result, url } => {
                 if let Ok(bytes) = result {
-                    if let Some(mut post) = self
+                    if let Some(post) = self
                         .posts_mut()
                         .iter_mut()
                         .filter(|post| post.image_url.is_some())
@@ -250,8 +250,11 @@ impl RssPost {
                     .lines()
                     .take(3)
                     .filter(|x| !x.contains("[banner]"))
-                    .map(|x| format!("{}\n", x))
-                    .collect::<String>();
+                    .fold(String::new(), |mut output, b| {
+                        use std::fmt::Write;
+                        let _ = writeln!(output, "{b}");
+                        output
+                    });
                 strip_markdown::strip_markdown(&stripped_html)
             },
             None => "No description found.".into(),
@@ -272,10 +275,12 @@ impl From<&rss::Item> for RssPost {
         // If the RSS item has an enclosure (attached media), check if it's a jpg or png
         // and if it is store the URL against the post for display in the RSS
         // feed.
-        if let Some(enclosure) = &item.enclosure && matches!(enclosure.mime_type.as_str(), "image/jpg" | "image/png") {
+        if let Some(enclosure) = &item.enclosure
+            && matches!(enclosure.mime_type.as_str(), "image/jpg" | "image/png")
+        {
             let mut url = enclosure.url.clone();
 
-            // If the image is hosted by the discord CDN, use its ability to provide a 
+            // If the image is hosted by the discord CDN, use its ability to provide a
             // resized image to save bandwidth
             if url.starts_with("https://media.discordapp.net") {
                 url = format!("{}?width=320&height=240", url);
diff --git a/client/src/io/fs.rs b/client/src/io/fs.rs
index db3c4da9..d90b0f22 100644
--- a/client/src/io/fs.rs
+++ b/client/src/io/fs.rs
@@ -67,7 +67,7 @@ pub fn log_path_file() -> (&'static Path, &'static str) {
 pub fn unzip(profile: &Profile) -> Result<()> {
     tracing::info!("Unzipping to {:?}", profile.directory());
     let mut zip_file =
-        std::fs::File::open(&profile.directory().join(consts::DOWNLOAD_FILE))?;
+        std::fs::File::open(profile.directory().join(consts::DOWNLOAD_FILE))?;
 
     let mut archive = zip::ZipArchive::new(&mut zip_file)?;
 
diff --git a/rust-toolchain b/rust-toolchain
index b27a258d..f1273305 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2023-04-20
+nightly-2024-01-17
diff --git a/server/src/fairings/mod.rs b/server/src/fairings/mod.rs
index a906f6d2..dec10232 100644
--- a/server/src/fairings/mod.rs
+++ b/server/src/fairings/mod.rs
@@ -1,3 +1 @@
 pub mod db;
-
-pub use db::*;
diff --git a/server/src/routes/api.rs b/server/src/routes/api.rs
index f0358cb2..7e9cd043 100644
--- a/server/src/routes/api.rs
+++ b/server/src/routes/api.rs
@@ -1,3 +1,4 @@
+#![allow(unused_imports)]
 use crate::{
     config::{Platform, API_VERSION},
     metrics::Metrics,
diff --git a/server/src/routes/gitlab.rs b/server/src/routes/gitlab.rs
index 9f40358e..a9de18e5 100644
--- a/server/src/routes/gitlab.rs
+++ b/server/src/routes/gitlab.rs
@@ -1,3 +1,4 @@
+#![allow(unused_imports)]
 use crate::{
     guards::{GitlabEvent, GitlabSecret},
     metrics::Metrics,
diff --git a/server/src/routes/metrics.rs b/server/src/routes/metrics.rs
index 43939cdd..55a4d649 100644
--- a/server/src/routes/metrics.rs
+++ b/server/src/routes/metrics.rs
@@ -1,3 +1,4 @@
+#![allow(unused_imports)]
 use crate::{metrics::Metrics, Result};
 use rocket::*;
 use std::sync::Arc;
diff --git a/server/src/routes/user.rs b/server/src/routes/user.rs
index d543426d..75d321f3 100644
--- a/server/src/routes/user.rs
+++ b/server/src/routes/user.rs
@@ -1,3 +1,4 @@
+#![allow(unused_imports)]
 use rocket::*;
 
 #[get("/")]