Clean up compile warnings

src/rust/engine/logging/src/logger.rs

@@ -3,7 +3,7 @@
 
 use lazy_static::lazy_static;
 use log::{log, set_logger, set_max_level, LevelFilter, Log, Metadata, Record};
-use parking_lot::{Mutex, RwLock};
+use parking_lot::Mutex;
 use simplelog::Config;
 use simplelog::WriteLogger;
 use std::fs::File;
@@ -13,7 +13,7 @@ use std::path::PathBuf;
 use TryIntoPythonLogLevel;
 
 lazy_static! {
-  pub static ref LOGGER: Logger = Logger::new(LevelFilter::Off);
+  pub static ref LOGGER: Logger = Logger::new();
 }
 
 pub struct Logger {
@@ -22,7 +22,7 @@ pub struct Logger {
 }
 
 impl Logger {
-  pub fn new(level: LevelFilter) -> Logger {
+  pub fn new() -> Logger {
     Logger {
       pantsd_log: Mutex::new(MaybeWriteLogger::empty()),
       stderr_log: Mutex::new(MaybeWriteLogger::empty()),
@@ -81,7 +81,7 @@ impl Logger {
 }
 
 impl Log for Logger {
-  fn enabled(&self, metadata: &Metadata) -> bool {
+  fn enabled(&self, _metadata: &Metadata) -> bool {
     // Individual log levels are handled by each sub-logger,
     // And a global filter is applied to set_max_level.
     // No need to filter here.