diff --git a/examples/example_fixture.rs b/examples/example_fixture.rs
index f47540f..62440fa 100644
--- a/examples/example_fixture.rs
+++ b/examples/example_fixture.rs
@@ -6,10 +6,10 @@ use std::process;
 
 fn run() -> Result<(), Box<dyn Error>> {
     if let Ok(text) = env::var("stdout") {
-        println!("{}", text);
+        println!("{text}");
     }
     if let Ok(text) = env::var("stderr") {
-        eprintln!("{}", text);
+        eprintln!("{text}");
     }
 
     let code = env::var("exit")
@@ -25,7 +25,7 @@ fn main() {
     let code = match run() {
         Ok(_) => 0,
         Err(ref e) => {
-            write!(&mut io::stderr(), "{}", e).expect("writing to stderr won't fail");
+            write!(&mut io::stderr(), "{e}").expect("writing to stderr won't fail");
             1
         }
     };
diff --git a/src/bin/bin_fixture.rs b/src/bin/bin_fixture.rs
index f47540f..62440fa 100644
--- a/src/bin/bin_fixture.rs
+++ b/src/bin/bin_fixture.rs
@@ -6,10 +6,10 @@ use std::process;
 
 fn run() -> Result<(), Box<dyn Error>> {
     if let Ok(text) = env::var("stdout") {
-        println!("{}", text);
+        println!("{text}");
     }
     if let Ok(text) = env::var("stderr") {
-        eprintln!("{}", text);
+        eprintln!("{text}");
     }
 
     let code = env::var("exit")
@@ -25,7 +25,7 @@ fn main() {
     let code = match run() {
         Ok(_) => 0,
         Err(ref e) => {
-            write!(&mut io::stderr(), "{}", e).expect("writing to stderr won't fail");
+            write!(&mut io::stderr(), "{e}").expect("writing to stderr won't fail");
             1
         }
     };
diff --git a/src/error.rs b/src/error.rs
index 4f19c40..50311eb 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -81,10 +81,10 @@ impl fmt::Display for CargoError {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         writeln!(f, "Cargo command failed: {}", self.kind)?;
         if let Some(ref context) = self.context {
-            writeln!(f, "{}", context)?;
+            writeln!(f, "{context}")?;
         }
         if let Some(ref cause) = self.cause {
-            writeln!(f, "Cause: {}", cause)?;
+            writeln!(f, "Cause: {cause}")?;
         }
         Ok(())
     }
diff --git a/src/format/mod.rs b/src/format/mod.rs
index c121b38..2ec94b0 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -247,11 +247,11 @@ pub(crate) fn log_message(msg: &Message<'_>) {
                 .map(|s| s.as_ref())
                 .unwrap_or_else(|| comp.message.message.as_ref());
             match comp.message.level {
-                diagnostic::DiagnosticLevel::Ice => eprintln!("{}", content),
-                diagnostic::DiagnosticLevel::Error => eprintln!("{}", content),
-                diagnostic::DiagnosticLevel::Warning => eprintln!("{}", content),
-                diagnostic::DiagnosticLevel::Note => eprintln!("{}", content),
-                diagnostic::DiagnosticLevel::Help => eprintln!("{}", content),
+                diagnostic::DiagnosticLevel::Ice => eprintln!("{content}"),
+                diagnostic::DiagnosticLevel::Error => eprintln!("{content}"),
+                diagnostic::DiagnosticLevel::Warning => eprintln!("{content}"),
+                diagnostic::DiagnosticLevel::Note => eprintln!("{content}"),
+                diagnostic::DiagnosticLevel::Help => eprintln!("{content}"),
                 #[cfg(not(feature = "strict_unstable"))]
                 _ => eprintln!("Unknown message: {:#?}", msg),
             }
diff --git a/src/run.rs b/src/run.rs
index 9e40d30..bf23ae4 100644
--- a/src/run.rs
+++ b/src/run.rs
@@ -181,12 +181,8 @@ fn extract_binary_path(
     if bins.is_empty() {
         return Err(CargoError::new(ErrorKind::CommandFailed).set_context("No binaries in crate"));
     } else if bins.len() != 1 {
-        return Err(
-            CargoError::new(ErrorKind::CommandFailed).set_context(std::format!(
-                "Ambiguous which binary is intended: {:?}",
-                bins
-            )),
-        );
+        return Err(CargoError::new(ErrorKind::CommandFailed)
+            .set_context(std::format!("Ambiguous which binary is intended: {bins:?}")));
     }
     Ok(bins.into_iter().next().expect("already validated"))
 }
diff --git a/tests/testsuite/build.rs b/tests/testsuite/build.rs
index 6c37541..edefc74 100644
--- a/tests/testsuite/build.rs
+++ b/tests/testsuite/build.rs
@@ -2,7 +2,7 @@ fn test_fixture(name: &str) {
     let temp = tempfile::TempDir::new().unwrap();
 
     let msgs = escargot::CargoBuild::new()
-        .manifest_path(format!("tests/testsuite/fixtures/{}/Cargo.toml", name))
+        .manifest_path(format!("tests/testsuite/fixtures/{name}/Cargo.toml"))
         .current_release()
         .current_target()
         .target_dir(temp.path())
@@ -12,8 +12,8 @@ fn test_fixture(name: &str) {
         let raw_msg = msg.unwrap();
         let msg = raw_msg.decode();
         match msg {
-            Ok(msg) => println!("{:#?}", msg),
-            Err(err) => panic!("{}\nmsg=`{:#?}`", err, raw_msg),
+            Ok(msg) => println!("{msg:#?}"),
+            Err(err) => panic!("{err}\nmsg=`{raw_msg:#?}`"),
         }
     }
 }
@@ -62,7 +62,7 @@ fn test_error() {
     for msg in &msgs[0..error_idx] {
         let msg = msg.as_ref().unwrap();
         let msg = msg.decode().unwrap();
-        println!("{:#?}", msg);
+        println!("{msg:#?}");
     }
     assert!(msgs[error_idx].is_err());
     println!("```{}```", msgs[error_idx].as_ref().err().unwrap());
diff --git a/tests/testsuite/run.rs b/tests/testsuite/run.rs
index f94f207..f42975d 100644
--- a/tests/testsuite/run.rs
+++ b/tests/testsuite/run.rs
@@ -2,7 +2,7 @@ fn test_fixture(name: &str) {
     let temp = tempfile::TempDir::new().unwrap();
 
     let cmd = escargot::CargoBuild::new()
-        .manifest_path(format!("tests/testsuite/fixtures/{}/Cargo.toml", name))
+        .manifest_path(format!("tests/testsuite/fixtures/{name}/Cargo.toml"))
         .current_release()
         .current_target()
         .target_dir(temp.path())