diff --git a/backend.Dockerfile b/backend.Dockerfile
index 019effbff71..3b1950312b2 100644
--- a/backend.Dockerfile
+++ b/backend.Dockerfile
@@ -1,5 +1,5 @@
 # renovate: datasource=github-tags depName=rust lookupName=rust-lang/rust
-ARG RUST_VERSION=1.83.0
+ARG RUST_VERSION=1.84.0
 
 FROM rust:$RUST_VERSION
 
diff --git a/crates/crates_io_tarball/src/lib.rs b/crates/crates_io_tarball/src/lib.rs
index 4d654e202c5..e9df7a9e4bf 100644
--- a/crates/crates_io_tarball/src/lib.rs
+++ b/crates/crates_io_tarball/src/lib.rs
@@ -111,7 +111,7 @@ pub async fn process_tarball<R: tokio::io::AsyncRead + Unpin>(
                 let mut contents = String::new();
                 entry.read_to_string(&mut contents).await?;
                 vcs_info = CargoVcsInfo::from_contents(&contents).ok();
-            } else if entry_file.to_ascii_lowercase() == "cargo.toml" {
+            } else if entry_file.eq_ignore_ascii_case("cargo.toml") {
                 // Try to extract and read the Cargo.toml from the tarball, silently erroring if it
                 // cannot be read.
                 let owned_entry_path = entry_path.into_owned();
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 0193dee3606..efd9dc3dbeb 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.83.0"
+channel = "1.84.0"
diff --git a/src/external_urls.rs b/src/external_urls.rs
index 9d1129aef46..7f3f7ed6116 100644
--- a/src/external_urls.rs
+++ b/src/external_urls.rs
@@ -12,10 +12,7 @@ const DOMAIN_BLOCKLIST: &[&str] = &[
 /// Return `None` if the documentation URL host matches a blocked host
 pub fn remove_blocked_urls(url: Option<String>) -> Option<String> {
     // Handles if documentation URL is None
-    let url = match url {
-        Some(url) => url,
-        None => return None,
-    };
+    let url = url?;
 
     // Handles unsuccessful parsing of documentation URL
     let parsed_url = match Url::parse(&url) {
@@ -24,10 +21,7 @@ pub fn remove_blocked_urls(url: Option<String>) -> Option<String> {
     };
 
     // Extract host string from documentation URL
-    let url_host = match parsed_url.host_str() {
-        Some(url_host) => url_host,
-        None => return None,
-    };
+    let url_host = parsed_url.host_str()?;
 
     // Match documentation URL host against blocked host array elements
     if domain_is_blocked(url_host) {
diff --git a/src/models/krate.rs b/src/models/krate.rs
index beaf9c10e20..1e98dd2b78c 100644
--- a/src/models/krate.rs
+++ b/src/models/krate.rs
@@ -106,7 +106,7 @@ pub struct NewCrate<'a> {
     pub max_features: Option<i16>,
 }
 
-impl<'a> NewCrate<'a> {
+impl NewCrate<'_> {
     pub async fn update(&self, conn: &mut AsyncPgConnection) -> QueryResult<Crate> {
         use diesel::update;
 
diff --git a/src/models/team.rs b/src/models/team.rs
index 6c0b925aa20..d654f6ccc38 100644
--- a/src/models/team.rs
+++ b/src/models/team.rs
@@ -43,7 +43,7 @@ pub struct NewTeam<'a> {
     pub org_id: i32,
 }
 
-impl<'a> NewTeam<'a> {
+impl NewTeam<'_> {
     pub async fn create_or_update(&self, conn: &mut AsyncPgConnection) -> QueryResult<Team> {
         use diesel::insert_into;