clippy improvements

src/database.rs

@@ -94,7 +94,7 @@ struct LoggerSink {
 
 impl std::io::Write for LoggerSink {
     fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
-        self.buffer.extend(buf.into_iter());
+        self.buffer.extend(buf.iter());
 
         if self.buffer.ends_with(b"\n") {
             self.flush()?;

src/dataops.rs

@@ -67,7 +67,7 @@ pub async fn update_directory<T: AsRef<Path>>(
                 .expect("path not valid unicode?!")
                 .to_string(),
             hash: digest.unwrap().unwrap(),
-            size: size,
+            size,
         };
 
         let _insert_result = db_executor

src/main.rs

@@ -13,7 +13,6 @@ mod database;
 mod dataops;
 mod models;
 mod schema;
-use env_logger;
 use log::info;
 use std::fs;
 use std::path::PathBuf;
@@ -51,7 +50,7 @@ async fn api_refresh(state: web::Data<State>) -> Result<HttpResponse, Error> {
     Ok(HttpResponse::Ok().finish())
 }
 
-const VERSION: &'static str = env!("CARGO_PKG_VERSION");
+const VERSION: &str = env!("CARGO_PKG_VERSION");
 
 fn main() -> std::io::Result<()> {
     let env = env_logger::Env::default().filter_or(env_logger::DEFAULT_FILTER_ENV, "info");