chore: cargo fix, fmt and misc fixes

src/pseudo_peer/config.rs

@@ -6,8 +6,7 @@ use super::{
         BlockSourceBoxed, CachedBlockSource, HlNodeBlockSource, LocalBlockSource, S3BlockSource,
     },
 };
-use std::path::PathBuf;
-use std::sync::Arc;
+use std::{path::PathBuf, sync::Arc};
 
 #[derive(Debug, Clone)]
 pub struct BlockSourceConfig {

src/pseudo_peer/sources/hl_node.rs

@@ -1,6 +1,8 @@
-use std::io::{BufRead, BufReader};
-use std::path::{Path, PathBuf};
-use std::sync::Arc;
+use std::{
+    io::{BufRead, BufReader},
+    path::{Path, PathBuf},
+    sync::Arc,
+};
 
 use eyre::ContextCompat;
 use futures::future::BoxFuture;