Remove unnecessary to_string for clone

Cargo.lock

@@ -2515,7 +2515,7 @@ dependencies = [
  "hashbrown 0.14.5",
  "lock_api",
  "once_cell",
- "parking_lot_core 0.9.11",
+ "parking_lot_core",
 ]
 
 [[package]]
@@ -6993,14 +6993,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70d58bf43669b5795d1576d0641cfb6fbb2057bf629506267a92807158584a13"
 dependencies = [
  "lock_api",
- "parking_lot_core 0.9.11",
+ "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.8.6"
-dependencies = [
- "parking_lot_core 0.9.11",
 ]
 
 [[package]]
@@ -11835,7 +11828,7 @@ dependencies = [
  "cfg_aliases 0.2.1",
  "libc",
  "parking_lot 0.12.4",
- "parking_lot_core 0.9.11",
+ "parking_lot_core",
  "static_init_macro",
  "winapi",
 ]

Cargo.toml

@@ -2,7 +2,6 @@
 resolver = "2"
 members = [
   # Version patches
-  "patches/parking_lot_core",
   "patches/parking_lot",
   "patches/zstd",
   "patches/rocksdb",
@@ -204,7 +203,6 @@ modular-frost = { path = "crypto/frost" }
 # https://github.com/rust-lang-nursery/lazy-static.rs/issues/201
 lazy_static = { git = "https://github.com/rust-lang-nursery/lazy-static.rs", rev = "5735630d46572f1e5377c8f2ba0f79d18f53b10c" }
 
-parking_lot_core = { path = "patches/parking_lot_core" }
 parking_lot = { path = "patches/parking_lot" }
 # wasmtime pulls in an old version for this
 zstd = { path = "patches/zstd" }

networks/ethereum/schnorr/build.rs

@@ -1,4 +1,4 @@
 fn main() {
-  let artifacts_path = std::env::var("OUT_DIR").unwrap().to_string() + "/ethereum-schnorr-contract";
+  let artifacts_path = std::env::var("OUT_DIR").unwrap().clone() + "/ethereum-schnorr-contract";
   build_solidity_contracts::build(&[], "contracts", &artifacts_path).unwrap();
 }

patches/parking_lot_core/Cargo.toml

@@ -1,16 +0,0 @@
-[package]
-name = "parking_lot_core"
-version = "0.8.6"
-description = "parking_lot_core which patches to the latest update"
-license = "MIT"
-repository = "https://github.com/serai-dex/serai/tree/develop/patches/parking_lot_core"
-authors = ["Luke Parker <lukeparker5132@gmail.com>"]
-keywords = []
-edition = "2021"
-
-[package.metadata.docs.rs]
-all-features = true
-rustdoc-args = ["--cfg", "docsrs"]
-
-[dependencies]
-parking_lot_core = "0.9"

patches/parking_lot_core/src/lib.rs

@@ -1 +0,0 @@
-pub use parking_lot_core::*;

processor/ethereum/deployer/build.rs

@@ -1,5 +1,5 @@
 fn main() {
   let artifacts_path =
-    std::env::var("OUT_DIR").unwrap().to_string() + "/serai-processor-ethereum-deployer";
+    std::env::var("OUT_DIR").unwrap().clone() + "/serai-processor-ethereum-deployer";
   build_solidity_contracts::build(&[], "contracts", &artifacts_path).unwrap();
 }

processor/ethereum/router/build.rs

@@ -19,8 +19,7 @@ fn sol(sol_files: &[&str], file: &str) {
 }
 
 fn main() {
-  let artifacts_path =
+  let artifacts_path = env::var("OUT_DIR").unwrap().clone() + "/serai-processor-ethereum-router";
-    env::var("OUT_DIR").unwrap().to_string() + "/serai-processor-ethereum-router";
 
   if !fs::exists(&artifacts_path).unwrap() {
     fs::create_dir(&artifacts_path).unwrap();

processor/ethereum/src/main.rs

@@ -87,7 +87,7 @@ async fn main() {
     TransactionPublisher::new(db, provider, {
       let relayer_hostname = env::var("ETHEREUM_RELAYER_HOSTNAME")
         .expect("ethereum relayer hostname wasn't specified")
-        .to_string();
+        .clone();
       let relayer_port =
         env::var("ETHEREUM_RELAYER_PORT").expect("ethereum relayer port wasn't specified");
       relayer_hostname + ":" + &relayer_port