fix: future clippy warnings

migra-cli/src/commands/list.rs

@@ -26,7 +26,7 @@ pub(crate) fn print_migration_lists(config: Config) -> StdResult<()> {
 
             Vec::new()
         }
-        Err(e) => panic!(e),
+        Err(e) => panic!("{}", e),
     };
 
     println!();

migra-cli/src/config.rs

@@ -139,7 +139,7 @@ impl Config {
 
         let migrations = entries
             .iter()
-            .filter_map(Migration::new)
+            .filter_map(|path| Migration::new(&path))
             .collect::<Vec<_>>();
 
         Ok(migrations)

migra-cli/src/migration.rs

@@ -5,7 +5,7 @@ use crate::path::PathBuilder;
 use crate::StdResult;
 use std::convert::TryFrom;
 use std::fs;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 
 #[derive(Debug)]
 pub struct Migration {
@@ -15,7 +15,7 @@ pub struct Migration {
 }
 
 impl Migration {
-    pub(crate) fn new(directory: &PathBuf) -> Option<Migration> {
+    pub(crate) fn new(directory: &Path) -> Option<Migration> {
         if directory.is_dir() {
             let name = directory
                 .file_name()