Update dependencies

src/logger.rs

@@ -1,4 +1,3 @@
-use crate::std::env;
 use log::LevelFilter;
 use env_logger::Builder;
 use lazy_static::lazy_static;
@@ -7,11 +6,7 @@ lazy_static! {
 	static ref LOG_DUMMY: bool = {
 		let mut builder = Builder::new();
 		builder.filter(None, LevelFilter::Info);
-
-		if let Ok(log) = env::var("RUST_LOG") {
-			builder.parse(&log);
-		}
-
+		builder.parse_default_env();
 		builder.init();
 		trace!("logger initialized");
 		true