use explicit std::io::Error

src/bin/latest.rs

@@ -1,7 +1,7 @@
-use std::{env, error::Error, fs, io::{self, Write}, os::unix::ffi::OsStrExt, path::PathBuf};
+use std::{env, fs, io::{self, Write}, os::unix::ffi::OsStrExt, path::PathBuf};
 use walkdir::WalkDir;
 
-fn main() -> Result<(), Box<dyn Error>> {
+fn main() -> Result<(), std::io::Error> {
     let args: Vec<PathBuf> = env::args_os().skip(1).map(PathBuf::from).collect();
     let dirs = if args.is_empty() { vec![env::current_dir()?] } else { args };