day(01): use color-eyre for catching errors

Signed-off-by: Matej Focko <mfocko@redhat.com>

src/bin/day01.rs

@@ -1,5 +1,6 @@
 use aoc_2022::file_to_lines;
 
+use color_eyre::eyre::Result;
 use tracing::*;
 use tracing_subscriber::EnvFilter;
 
@@ -35,7 +36,7 @@ fn parse_input(pathname: &str) -> Vec<i32> {
         .collect()
 }
 
-fn main() {
+fn main() -> Result<()> {
     tracing_subscriber::fmt()
         .with_env_filter(EnvFilter::from_default_env())
         .with_target(false)
@@ -44,11 +45,14 @@ fn main() {
         .without_time()
         .compact()
         .init();
+    color_eyre::install()?;
 
     let input = parse_input("inputs/day01.txt");
 
     info!("Part 1: {}", part_1(&input));
     info!("Part 2: {}", part_2(&input));
+
+    Ok(())
 }
 
 #[cfg(test)]