Fix lint warnings

benches/benchmark.rs

@@ -1,3 +1,4 @@
+#![allow(unstable_features)]
 #![feature(test)]
 extern crate test;
 

src/main.rs

@@ -39,20 +39,22 @@ fn main() {
     for Solution { year, day, wrapper } in &solutions {
         let path: PathBuf =
             ["input", &format!("year{year}"), &format!("day{day:02}.txt")].iter().collect();
-        let Ok(data) = read_to_string(&path) else {
-            eprintln!("Place input file in {path:?}");
-            continue;
-        };
 
-        let time = Instant::now();
-        let (answer1, answer2) = wrapper(&data);
-        let duration = time.elapsed().as_micros();
-        elapsed += time.elapsed();
+        if let Ok(data) = read_to_string(&path) {
+            let time = Instant::now();
+            let (answer1, answer2) = wrapper(&data);
+            let duration = time.elapsed().as_micros();
+            elapsed += time.elapsed();
 
-        println!("{BOLD}{YELLOW}{year} Day {day:02}{RESET}");
-        println!("    Part 1: {answer1}");
-        println!("    Part 2: {answer2}");
-        println!("    Duration: {duration} μs");
+            println!("{BOLD}{YELLOW}{year} Day {day:02}{RESET}");
+            println!("    Part 1: {answer1}");
+            println!("    Part 2: {answer2}");
+            println!("    Duration: {duration} μs");
+        } else {
+            eprintln!("{BOLD}{RED}{year} Day {day:02}{RESET}");
+            eprintln!("    Missing input!");
+            eprintln!("    Place input file in {BOLD}{WHITE}{}{RESET}", path.display());
+        }
     }
 
     // Print totals

src/year2015/day04.rs

@@ -31,7 +31,7 @@ pub struct Shared {
 
 pub fn parse(input: &str) -> Shared {
     let shared = Shared {
-        prefix: input.trim().to_string(),
+        prefix: input.trim().to_owned(),
         done: AtomicBool::new(false),
         counter: AtomicU32::new(1000),
         first: AtomicU32::new(u32::MAX),

src/year2016/day05.rs

@@ -22,7 +22,7 @@ struct Exclusive {
 
 pub fn parse(input: &str) -> Vec<u32> {
     let shared = Shared {
-        prefix: input.trim().to_string(),
+        prefix: input.trim().to_owned(),
         done: AtomicBool::new(false),
         counter: AtomicU32::new(1000),
     };

src/year2016/day17.rs

@@ -28,8 +28,8 @@ pub fn parse(input: &str) -> State {
     state
 }
 
-pub fn part1(input: &State) -> String {
-    input.min.to_string()
+pub fn part1(input: &State) -> &str {
+    &input.min
 }
 
 pub fn part2(input: &State) -> usize {

src/year2017/day14.rs

@@ -22,7 +22,7 @@ struct Exclusive {
 
 /// Parallelize the hashing as each row is independent.
 pub fn parse(input: &str) -> Vec<u8> {
-    let shared = Shared { prefix: input.trim().to_string(), counter: AtomicUsize::new(0) };
+    let shared = Shared { prefix: input.trim().to_owned(), counter: AtomicUsize::new(0) };
     let exclusive = Exclusive { grid: vec![0; 0x4000] };
     let mutex = Mutex::new(exclusive);
 

src/year2019/day13.rs

@@ -106,7 +106,7 @@ fn draw(tiles: &[i64], score: i64, blocks: i64) {
 
     for y in 0..20 {
         for x in 0..44 {
-            let _ = match tiles[44 * y + x] {
+            let _unused = match tiles[44 * y + x] {
                 0 => write!(s, " "),
                 1 if y == 0 => write!(s, "{GREEN}_{RESET}"),
                 1 => write!(s, "{GREEN}|{RESET}"),