diff --git a/build.rs b/build.rs
index 93ea4fd..6accd53 100644
--- a/build.rs
+++ b/build.rs
@@ -14,9 +14,9 @@ fn main() -> Result<(), String> {
 	// a more robust way of doing this would be to use vergen (https://github.com/rustyhorde/vergen), but it pulls in a
 	// whole bunch of extra dependencies (including chrono and git2), and also blocks compilation on the current MSRV.
 	// this method is less clever and robust, but it works!
-	let git = Command::new("git").args(&["rev-parse", "--short", "HEAD"]).output();
+	let git = Command::new("git").args(["rev-parse", "--short", "HEAD"]).output();
 	let hash = match git {
-		Ok(output) => String::from_utf8_lossy(&*output.stdout).into(),
+		Ok(output) => String::from_utf8_lossy(&output.stdout).into(),
 		Err(_) => {
 			// git not being present (or failing) shouldn't block compilation
 			println!("cargo:warning=Failed to retrieve git commit hash");
diff --git a/src/main.rs b/src/main.rs
index 4fa7e9c..e6ef520 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -163,10 +163,10 @@ fn main() {
 						// handles: --prompt never --overwrite
 						// user specified --prompt never in conjunction with --overwrite, so always rename
 						true
-					} else if prompt == Prompt::Error || ask(&*format!("Rename {:#?} to {:#?}?", &f.file, &rename_to)) {
+					} else if prompt == Prompt::Error || ask(&format!("Rename {:#?} to {:#?}?", &f.file, &rename_to)) {
 						// handles: --prompt error --overwrite, --prompt always --overwrite [y]
 						// if the target exists, prompt before renaming; otherwise, just rename
-						!rename_to.exists() || ask(&*format!("Destination {:#?} already exists, overwrite?", rename_to))
+						!rename_to.exists() || ask(&format!("Destination {:#?} already exists, overwrite?", rename_to))
 					} else {
 						// handles: --prompt always --overwrite [n]
 						// user was prompted and replied "no"
@@ -191,7 +191,7 @@ fn main() {
 							warn!("Couldn't rename {:#?} to {:#?}: {:#?}", f.file, rename_to, e);
 							// if the user passed --prompt never, continue to the next file
 							// otherwise, prompt user to retry move, retrying until the rename succeeds or they respond "N"
-							if prompt == Prompt::Never || !ask(&*format!("Error while renaming file: {:#?}. Try again?", e)) {
+							if prompt == Prompt::Never || !ask(&format!("Error while renaming file: {:#?}. Try again?", e)) {
 								failed += 1;
 								break;
 							}
diff --git a/src/tests/mod.rs b/src/tests/mod.rs
index 6232162..1fd10b5 100644
--- a/src/tests/mod.rs
+++ b/src/tests/mod.rs
@@ -102,11 +102,12 @@ fn simple_directory() {
 	set_current_dir(dir.path()).expect("Failed to change directory.");
 
 	for (name, bytes) in &files {
-		let mut file = File::create(dir.path().join(name)).expect(&*format!("Failed to create file: {}", name));
+		let mut file = File::create(dir.path().join(name))
+			.unwrap_or_else(|_| panic!("Failed to create file: {}", name));
 
 		file
 			.write_all(bytes)
-			.expect(&*format!("Failed to write to file: {}", name));
+			.unwrap_or_else(|_| panic!("Failed to write to file: {}", name));
 		drop(file);
 	}
 
@@ -225,7 +226,7 @@ fn argument_parsing() {
 #[test]
 /// Ensure that `fif -e jpg dir` is interpreted as "scan for jpg files in dir" and not "scan for jpg and dir files"
 fn positional_args() {
-	for flag in &["-x", "-e", "-X", "-E"] {
+	for flag in ["-x", "-e", "-X", "-E"] {
 		assert_eq!(
 			Parameters::parse_from(vec!["fif", flag, "images", "directory"]).dir,
 			PathBuf::from("directory")
@@ -483,8 +484,8 @@ fn media_contains_audio_video_images() {
 		.for_each(|ext| assert!(media_exts.contains(&ext)));
 
 	assert_eq!(
-		Parameters::parse_from(&["fif", "-E", "media"]).extensions(),
-		Parameters::parse_from(&["fif", "-E", "audio,video,images"]).extensions()
+		Parameters::parse_from(["fif", "-E", "media"]).extensions(),
+		Parameters::parse_from(["fif", "-E", "audio,video,images"]).extensions()
 	);
 }
 
@@ -510,7 +511,7 @@ fn writables_is_correct() {
 fn verbosity() {
 	use log::LevelFilter;
 	assert!(
-		Parameters::try_parse_from(&["fif", "-q", "-v"]).is_err(),
+		Parameters::try_parse_from(["fif", "-q", "-v"]).is_err(),
 		"Failed to reject usage of both -q and -v!"
 	);
 
@@ -527,7 +528,7 @@ fn verbosity() {
 	];
 
 	for (flags, level) in expected_results {
-		assert_eq!(Parameters::parse_from(&["fif", flags]).get_verbosity(), level);
+		assert_eq!(Parameters::parse_from(["fif", flags]).get_verbosity(), level);
 	}
 }