message: To convert a single value to a string, use the to_string method
diff: @@ -7,7 +7,7 @@ const ITEM_SIZE: u32 = 5000;
  // Generate benchmark tests
  pub fn bench_insert(c: &mut Criterion) {
  // Generate a new database
  - let path = format!("data/bench_insert");
  + let path = "data/bench_insert";
  match std::fs::remove_dir_all(&path) {
  Ok(()) => (),
  @@ -16,7 +16,7 @@ pub fn bench_insert(c: &mut Criterion) {
  }
  let config = sled::Config::default()
  - .path(path)
  + .path(path.to_string())
  .temporary(true)
  .mode(sled::Mode::HighThroughput);
  @@ -53,7 +53,7 @@ pub fn bench_insert(c: &mut Criterion) {
  pub fn bench_select(c: &mut Criterion) {
  // Generate a new database
  - let path = format!("data/bench_select");
  + let path = "data/bench_select";
  match std::fs::remove_dir_all(&path) {
  Ok(()) => (),
  @@ -62,7 +62,7 @@ pub fn bench_select(c: &mut Criterion) {
  }
  let config = sled::Config::default()
  - .path(path)
  + .path(path.to_string())
  .temporary(true)
  .mode(sled::Mode::HighThroughput);
  @@ -126,7 +126,7 @@ pub fn bench_select(c: &mut Criterion) {
  pub fn bench_select_tainted(c: &mut Criterion) {
  // Generate a new database
  - let path = format!("data/bench_select_tainted");
  + let path = "data/bench_select_tainted";
  match std::fs::remove_dir_all(&path) {
  Ok(()) => (),
  @@ -135,7 +135,7 @@ pub fn bench_select_tainted(c: &mut Criterion) {
  }
  let config = sled::Config::default()
  - .path(path)
  + .path(path.to_string())
  .temporary(true)
  .mode(sled::Mode::HighThroughput);
  