fix: cargo warns

Cargo.toml

@@ -5,7 +5,6 @@ edition = "2021"
 authors = [ "alemi <me@alemi.dev>" ]
 description = "A simple oscilloscope/vectorscope/spectroscope for your terminal"
 license = "MIT"
-license-file = "LICENSE"
 keywords = ["cli", "tui", "audio", "visualization", "scope"]
 repository = "https://git.alemi.dev/scope-tui.git"
 readme = "README.md"

src/input/file.rs

@@ -6,8 +6,8 @@ pub struct FileSource {
 	file: File,
 	buffer: Vec<u8>,
 	channels: usize,
-	sample_rate: usize,
-	limit_rate: bool,
+	_sample_rate: usize,
+	_limit_rate: bool,
 	// TODO when all data is available (eg, file) limit data flow to make it
 	// somehow visualizable. must be optional because named pipes block
 	// TODO support more formats
@@ -19,8 +19,8 @@ impl FileSource {
 		Ok(Box::new(
 			FileSource {
 				channels: opts.channels,
-				sample_rate: opts.sample_rate as usize,
-				limit_rate,
+				_sample_rate: opts.sample_rate as usize,
+				_limit_rate: limit_rate,
 				file: File::open(path)?,
 				buffer: vec![0u8; opts.buffer as usize * opts.channels],
 			}