diff --git a/src/bin/ion/commands/new.rs b/src/bin/ion/commands/new.rs
index 2e59a2d..b2bf661 100644
--- a/src/bin/ion/commands/new.rs
+++ b/src/bin/ion/commands/new.rs
@@ -66,7 +66,7 @@ pub fn exec(config: &mut Config, matches: &ArgMatches) -> CliResult {
     };
     mk_package_dir(&path, force)?;
 
-    let mut ctx = Context::new(prompt, Julia::new(&config), Project::new(package, path));
+    let mut ctx = Context::new(prompt, Julia::new(config), Project::new(package, path));
     let name = matches.get_one::<String>("template").unwrap().to_owned();
     let template = Template::from_name(config, &name)?;
     if let Err(e) = template.render(config, &mut ctx) {
diff --git a/src/ion/blueprints/context.rs b/src/ion/blueprints/context.rs
index ff5767d..68f0907 100644
--- a/src/ion/blueprints/context.rs
+++ b/src/ion/blueprints/context.rs
@@ -142,7 +142,7 @@ impl Context {
         }
         std::fs::create_dir_all(&path).unwrap();
 
-        let version = julia_version(&config)?;
+        let version = julia_version(config)?;
         let compat = format!("{}.{}", version.major, version.minor);
         let julia = Julia {
             version: version.to_string(),
diff --git a/src/ion/blueprints/info.rs b/src/ion/blueprints/info.rs
index fb205ea..26134a1 100644
--- a/src/ion/blueprints/info.rs
+++ b/src/ion/blueprints/info.rs
@@ -18,7 +18,7 @@ pub struct Julia {
 
 impl Julia {
     pub fn new(config: &Config) -> Self {
-        let version = match julia_version(&config) {
+        let version = match julia_version(config) {
             Ok(version) => version,
             Err(_) => node_semver::Version::parse("1.6.0").unwrap(),
         };
diff --git a/src/ion/utils/julia.rs b/src/ion/utils/julia.rs
index 1a91f51..b5a2152 100644
--- a/src/ion/utils/julia.rs
+++ b/src/ion/utils/julia.rs
@@ -138,7 +138,7 @@ mod test {
 pub fn assert_julia_version(config: &Config, version_spec: impl AsRef<str>) -> Result<()> {
     let range = node_semver::Range::parse(version_spec.as_ref()).expect("Invalid version spec");
     let version = julia_version(config)?;
-    range.satisfies(&version).then(|| ()).ok_or_else(|| {
+    range.satisfies(&version).then_some(()).ok_or_else(|| {
         format_err!(
             "Invalid Julia version: Julia version {version} does not satisfy version range {range}",
         )
diff --git a/tests/bin/utils.rs b/tests/bin/utils.rs
index 11e9713..040c159 100644
--- a/tests/bin/utils.rs
+++ b/tests/bin/utils.rs
@@ -15,6 +15,8 @@ pub struct Ion {
     cmd: Command,
 }
 
+
+
 impl Ion {
     pub fn new() -> Self {
         let program = cargo_bin("ion");
@@ -87,12 +89,18 @@ impl Ion {
     }
 }
 
+impl Default for Ion {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl<'c> OutputAssertExt for &'c mut Ion {
     fn assert(self) -> Assert {
         let output = match self.output() {
             Ok(output) => output,
             Err(err) => {
-                panic!("Failed to spawn {:?}: {}", self, err);
+                panic!("Failed to spawn {self:?}: {err}");
             }
         };
         Assert::new(output).append_context("command", format!("{:?}", self.cmd))