diff --git a/src/i18n.rs b/src/i18n.rs
index f05688e..43c5e99 100644
--- a/src/i18n.rs
+++ b/src/i18n.rs
@@ -1,6 +1,11 @@
-use std::{collections::HashMap, fs::{self, File}, io::BufReader, process::Command};
 use derive_more::From;
 use rocket_dyn_templates::tera::{self, Value};
+use std::{
+    collections::HashMap,
+    fs::{self, File},
+    io::BufReader,
+    process::Command,
+};
 
 use gettext::Catalog;
 
@@ -18,7 +23,12 @@ pub fn load_catalogs() -> Result<HashMap<String, Catalog>, LoadCatalogsError> {
     for file in fs::read_dir("i18n")? {
         let file = file?;
         let path = file.path();
-        if !file.file_type()?.is_file() || !path.extension().map(|extension| extension.eq("po")).unwrap_or(false) {
+        if !file.file_type()?.is_file()
+            || !path
+                .extension()
+                .map(|extension| extension.eq("po"))
+                .unwrap_or(false)
+        {
             continue;
         }
         let language_code = path
@@ -33,7 +43,10 @@ pub fn load_catalogs() -> Result<HashMap<String, Catalog>, LoadCatalogsError> {
             .arg("-o")
             .arg(&mo_file_path)
             .output()?;
-        catalogs.insert(language_code, Catalog::parse(BufReader::new(File::open(mo_file_path)?))?);
+        catalogs.insert(
+            language_code,
+            Catalog::parse(BufReader::new(File::open(mo_file_path)?))?,
+        );
     }
     if !catalogs.contains_key(DEFAULT) {
         return Err(LoadCatalogsError::MissingDefaultLanguage);
@@ -41,15 +54,16 @@ pub fn load_catalogs() -> Result<HashMap<String, Catalog>, LoadCatalogsError> {
     Ok(catalogs)
 }
 
-pub fn i18n_filter(value: &Value, _args: &HashMap<String, Value>, catalogs: &HashMap<String, Catalog>) -> tera::Result<Value> {
-    let key = value.as_str().ok_or_else(|| {
-        tera::Error::msg("The translation key must be a string")
-    })?;
+pub fn i18n_filter(
+    value: &Value,
+    _args: &HashMap<String, Value>,
+    catalogs: &HashMap<String, Catalog>,
+) -> tera::Result<Value> {
+    let key = value
+        .as_str()
+        .ok_or_else(|| tera::Error::msg("The translation key must be a string"))?;
 
-    let translation = catalogs
-        .get(DEFAULT)
-        .expect("Missing catalog")
-        .gettext(key);
+    let translation = catalogs.get(DEFAULT).expect("Missing catalog").gettext(key);
 
     Ok(Value::String(translation.to_owned()))
 }
diff --git a/src/main.rs b/src/main.rs
index 6eeaacd..b547586 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,9 +3,9 @@ extern crate rocket;
 
 use poise::serenity_prelude::Http;
 use rocket::fs::{relative, FileServer};
-use rocket_dyn_templates::{Template, tera};
+use rocket_dyn_templates::{tera, Template};
 use sass_rocket_fairing::SassFairing;
-use std::{env, collections::HashMap};
+use std::{collections::HashMap, env};
 
 mod models;
 use models::Settings;
@@ -18,7 +18,7 @@ mod routes;
 use routes::*;
 
 mod i18n;
-use i18n::{load_catalogs, i18n_filter};
+use i18n::{i18n_filter, load_catalogs};
 
 mod prelude;
 
@@ -46,9 +46,12 @@ async fn rocket() -> _ {
         .attach(Template::custom(|engines| {
             use tera::Value;
             let catalogs = load_catalogs().unwrap();
-            engines.tera.register_filter("i18n", move |value: &Value, args: &HashMap<String, Value>| {
-                i18n_filter(value, args, &catalogs)
-            })
+            engines.tera.register_filter(
+                "i18n",
+                move |value: &Value, args: &HashMap<String, Value>| {
+                    i18n_filter(value, args, &catalogs)
+                },
+            )
         }))
         .attach(SassFairing::default())
-}
\ No newline at end of file
+}
diff --git a/src/models/settings.rs b/src/models/settings.rs
index a34ea9a..2ac577b 100644
--- a/src/models/settings.rs
+++ b/src/models/settings.rs
@@ -54,4 +54,4 @@ impl Guild {
         self.name = Some(server.name);
         Ok(())
     }
-}
\ No newline at end of file
+}
diff --git a/src/models/user/mod.rs b/src/models/user/mod.rs
index 6e20014..37bca84 100644
--- a/src/models/user/mod.rs
+++ b/src/models/user/mod.rs
@@ -6,7 +6,7 @@ mod tests;
 use chrono::Utc;
 use derive_more::From;
 use reqwest::StatusCode;
-use rocket::http::{CookieJar, Cookie};
+use rocket::http::{Cookie, CookieJar};
 use serial::*;
 
 use serde::Deserialize;
@@ -113,4 +113,4 @@ pub enum GetUserError {
 
 fn parse_cookie_value<T: std::str::FromStr>(cookies: &CookieJar<'_>, name: &str) -> Option<T> {
     cookies.get_private(name)?.value().parse().ok()
-}
\ No newline at end of file
+}
diff --git a/src/routes/get_challenge.rs b/src/routes/get_challenge.rs
index bbb94a3..565a51e 100644
--- a/src/routes/get_challenge.rs
+++ b/src/routes/get_challenge.rs
@@ -3,10 +3,14 @@ use std::ops::Deref;
 use rocket::{http::CookieJar, State};
 use rocket_dyn_templates::{context, Template};
 
-use crate::models::{Challenge, User, Settings};
+use crate::models::{Challenge, Settings, User};
 
 #[get("/<challenge>")]
-pub async fn get_challenge(challenge: u32, cookies: &CookieJar<'_>, settings: &State<Settings>) -> Template {
+pub async fn get_challenge(
+    challenge: u32,
+    cookies: &CookieJar<'_>,
+    settings: &State<Settings>,
+) -> Template {
     Template::render(
         "index",
         context! {