diff --git a/core/src/api/cluster/mod.rs b/core/src/api/cluster/mod.rs
index 494c6437..b9a50054 100644
--- a/core/src/api/cluster/mod.rs
+++ b/core/src/api/cluster/mod.rs
@@ -13,13 +13,12 @@ use crate::store::MinecraftCredentials;
 
 use crate::utils::io::{self, IOError};
 
-use std::collections::{HashMap};
+use std::collections::HashMap;
 use std::future::Future;
 
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
-use tokio::io::AsyncReadExt;
 use tokio::process::Command;
 use tokio::sync::RwLock;
 
diff --git a/core/src/store/minecraft.rs b/core/src/store/minecraft.rs
index 12386f9f..dff16dda 100644
--- a/core/src/store/minecraft.rs
+++ b/core/src/store/minecraft.rs
@@ -1,5 +1,6 @@
 //! Handles MSA Authentication flow.
 
+use std::fmt::Write;
 use base64::Engine;
 use chrono::{DateTime, Utc};
 use p256::ecdsa::signature::Signer;
@@ -984,7 +985,10 @@ fn get_date_header(headers: &reqwest::header::HeaderMap) -> DateTime<Utc> {
 fn generate_oauth_challenge() -> String {
 	let mut rng = rand::thread_rng();
 	let bytes: Vec<u8> = (0..64).map(|_| rng.gen::<u8>()).collect();
-	bytes.iter().map(|b| format!("{:02x}", b)).collect()
+	bytes.iter().fold(String::new(), |mut output, b| {
+		let _ = write!(output, "{b:02x}");
+		output
+	})
 }
 
 /// An ordered list of all MSA authentication steps.
diff --git a/core/src/store/package.rs b/core/src/store/package.rs
index 224152de..fb904e9f 100644
--- a/core/src/store/package.rs
+++ b/core/src/store/package.rs
@@ -20,7 +20,7 @@ use super::{Cluster, PackagePath};
 
 /// Creates [`Package`] data for a given [`Cluster`] from on-device files and APIs.
 /// Paths must be the full paths and not relative paths.
-// #[tracing::instrument(skip(paths, cluster, io_semaphore, fetch_semaphore))]
+#[tracing::instrument(skip(paths, _cluster, _io_semaphore, _fetch_semaphore))]
 #[onelauncher_debug::debugger]
 pub async fn generate_context(
 	_cluster: Cluster,