diff --git a/README.md b/README.md
index cd80a697c..288b7d8f4 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ fn main() {
 
     // do_some_work();
 
-    println!("{:?}", bt);
+    println!("{bt:?}");
 }
 ```
 
diff --git a/build.rs b/build.rs
index ed4e07a85..2a3da849f 100644
--- a/build.rs
+++ b/build.rs
@@ -28,10 +28,7 @@ fn build_android() {
     let expansion = match cc::Build::new().file(&android_api_c).try_expand() {
         Ok(result) => result,
         Err(e) => {
-            eprintln!(
-                "warning: android version detection failed while running C compiler: {}",
-                e
-            );
+            eprintln!("warning: android version detection failed while running C compiler: {e}");
             return;
         }
     };
@@ -39,7 +36,7 @@ fn build_android() {
         Ok(s) => s,
         Err(_) => return,
     };
-    eprintln!("expanded android version detection:\n{}", expansion);
+    eprintln!("expanded android version detection:\n{expansion}");
     let i = match expansion.find(MARKER) {
         Some(i) => i,
         None => return,
diff --git a/crates/cpp_smoke_test/tests/smoke.rs b/crates/cpp_smoke_test/tests/smoke.rs
index b9aef47f5..a303562f9 100644
--- a/crates/cpp_smoke_test/tests/smoke.rs
+++ b/crates/cpp_smoke_test/tests/smoke.rs
@@ -49,13 +49,13 @@ fn smoke_test_cpp() {
             .take(2)
             .collect();
 
-        println!("actual names = {:#?}", names);
+        println!("actual names = {names:#?}");
 
         let expected = [
             "void space::templated_trampoline<void (*)()>(void (*)())",
             "cpp_trampoline",
         ];
-        println!("expected names = {:#?}", expected);
+        println!("expected names = {expected:#?}");
 
         assert_eq!(names.len(), expected.len());
         for (actual, expected) in names.iter().zip(expected.iter()) {
diff --git a/crates/debuglink/src/main.rs b/crates/debuglink/src/main.rs
index 99265ae9a..b0f4063d7 100644
--- a/crates/debuglink/src/main.rs
+++ b/crates/debuglink/src/main.rs
@@ -9,7 +9,7 @@ fn main() {
     let expect = std::path::Path::new(&crate_dir).join("src/main.rs");
 
     let bt = backtrace::Backtrace::new();
-    println!("{:?}", bt);
+    println!("{bt:?}");
 
     let mut found_main = false;
 
@@ -20,7 +20,7 @@ fn main() {
         }
 
         if let Some(name) = symbols[0].name() {
-            let name = format!("{:#}", name);
+            let name = format!("{name:#}");
             if name == "debuglink::main" {
                 found_main = true;
                 let filename = symbols[0].filename().unwrap();
diff --git a/crates/macos_frames_test/tests/main.rs b/crates/macos_frames_test/tests/main.rs
index f0e905b24..5d74bdcc3 100644
--- a/crates/macos_frames_test/tests/main.rs
+++ b/crates/macos_frames_test/tests/main.rs
@@ -15,8 +15,7 @@ fn backtrace_no_dsym() {
     let executable_name = dsym_path.file_name().unwrap().to_str().unwrap().to_string();
     assert!(dsym_path.pop()); // Pop executable
     dsym_path.push(format!(
-        "{}.dSYM/Contents/Resources/DWARF/{0}",
-        executable_name
+        "{executable_name}.dSYM/Contents/Resources/DWARF/{executable_name}"
     ));
     let _ = fs::OpenOptions::new()
         .read(false)
diff --git a/examples/raw.rs b/examples/raw.rs
index d96a127a2..95e17dbd5 100644
--- a/examples/raw.rs
+++ b/examples/raw.rs
@@ -33,7 +33,7 @@ fn print() {
             }
 
             if let Some(name) = symbol.name() {
-                print!(" - {}", name);
+                print!(" - {name}");
             } else {
                 print!(" - <unknown>");
             }
diff --git a/src/capture.rs b/src/capture.rs
index e0dd9c474..417ebd60b 100644
--- a/src/capture.rs
+++ b/src/capture.rs
@@ -156,9 +156,9 @@ impl Backtrace {
     /// use backtrace::Backtrace;
     ///
     /// let mut current_backtrace = Backtrace::new_unresolved();
-    /// println!("{:?}", current_backtrace); // no symbol names
+    /// println!("{current_backtrace:?}"); // no symbol names
     /// current_backtrace.resolve();
-    /// println!("{:?}", current_backtrace); // symbol names now present
+    /// println!("{current_backtrace:?}"); // symbol names now present
     /// ```
     ///
     /// # Required features
diff --git a/src/print.rs b/src/print.rs
index de8569182..6e38a0f13 100644
--- a/src/print.rs
+++ b/src/print.rs
@@ -239,7 +239,7 @@ impl BacktraceFrameFmt<'_, '_, '_> {
         if self.symbol_index == 0 {
             write!(self.fmt.fmt, "{:4}: ", self.fmt.frame_index)?;
             if let PrintFmt::Full = self.fmt.format {
-                write!(self.fmt.fmt, "{:1$?} - ", frame_ip, HEX_WIDTH)?;
+                write!(self.fmt.fmt, "{frame_ip:HEX_WIDTH$?} - ")?;
             }
         } else {
             write!(self.fmt.fmt, "      ")?;
@@ -252,8 +252,8 @@ impl BacktraceFrameFmt<'_, '_, '_> {
         // more information if we're a full backtrace. Here we also handle
         // symbols which don't have a name,
         match (symbol_name, &self.fmt.format) {
-            (Some(name), PrintFmt::Short) => write!(self.fmt.fmt, "{:#}", name)?,
-            (Some(name), PrintFmt::Full) => write!(self.fmt.fmt, "{}", name)?,
+            (Some(name), PrintFmt::Short) => write!(self.fmt.fmt, "{name:#}")?,
+            (Some(name), PrintFmt::Full) => write!(self.fmt.fmt, "{name}")?,
             (None, _) | (_, PrintFmt::__Nonexhaustive) => write!(self.fmt.fmt, "<unknown>")?,
         }
         self.fmt.fmt.write_str("\n")?;
@@ -282,11 +282,11 @@ impl BacktraceFrameFmt<'_, '_, '_> {
         // Delegate to our internal callback to print the filename and then
         // print out the line number.
         (self.fmt.print_path)(self.fmt.fmt, file)?;
-        write!(self.fmt.fmt, ":{}", line)?;
+        write!(self.fmt.fmt, ":{line}")?;
 
         // Add column number, if available.
         if let Some(colno) = colno {
-            write!(self.fmt.fmt, ":{}", colno)?;
+            write!(self.fmt.fmt, ":{colno}")?;
         }
 
         write!(self.fmt.fmt, "\n")?;
diff --git a/src/print/fuchsia.rs b/src/print/fuchsia.rs
index cb872697d..1aa3e6d22 100644
--- a/src/print/fuchsia.rs
+++ b/src/print/fuchsia.rs
@@ -312,7 +312,7 @@ struct HexSlice<'a> {
 impl fmt::Display for HexSlice<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         for byte in self.bytes {
-            write!(f, "{:02x}", byte)?;
+            write!(f, "{byte:02x}")?;
         }
         Ok(())
     }
diff --git a/src/symbolize/mod.rs b/src/symbolize/mod.rs
index a7c199506..ec4451b3f 100644
--- a/src/symbolize/mod.rs
+++ b/src/symbolize/mod.rs
@@ -421,7 +421,7 @@ cfg_if::cfg_if! {
                 // it outwards.
                 if let Some(ref cpp) = self.cpp_demangled.0 {
                     let mut s = String::new();
-                    if write!(s, "{}", cpp).is_ok() {
+                    if write!(s, "{cpp}").is_ok() {
                         return s.fmt(f)
                     }
                 }
diff --git a/tests/accuracy/main.rs b/tests/accuracy/main.rs
index 79b2d3797..568acab84 100644
--- a/tests/accuracy/main.rs
+++ b/tests/accuracy/main.rs
@@ -96,9 +96,9 @@ fn verify(filelines: &[Pos]) {
     println!("-----------------------------------");
     println!("looking for:");
     for (file, line) in filelines.iter().rev() {
-        println!("\t{}:{}", file, line);
+        println!("\t{file}:{line}");
     }
-    println!("found:\n{:?}", trace);
+    println!("found:\n{trace:?}");
     let mut symbols = trace.frames().iter().flat_map(|frame| frame.symbols());
     let mut iter = filelines.iter().rev();
     while let Some((file, line)) = iter.next() {
diff --git a/tests/current-exe-mismatch.rs b/tests/current-exe-mismatch.rs
index b655827fb..91741bad3 100644
--- a/tests/current-exe-mismatch.rs
+++ b/tests/current-exe-mismatch.rs
@@ -20,7 +20,7 @@ fn main() {
                 println!("test result: ignored");
             }
             Err(EarlyExit::IoError(e)) => {
-                println!("{} parent encoutered IoError: {:?}", file!(), e);
+                println!("{} parent encountered IoError: {:?}", file!(), e);
                 panic!();
             }
         }
@@ -74,7 +74,7 @@ fn parent() -> Result<(), EarlyExit> {
 
 fn child() -> Result<(), EarlyExit> {
     let bt = backtrace::Backtrace::new();
-    println!("{:?}", bt);
+    println!("{bt:?}");
 
     let mut found_my_name = false;
 
diff --git a/tests/long_fn_name.rs b/tests/long_fn_name.rs
index fa4cfda15..4a03825b6 100644
--- a/tests/long_fn_name.rs
+++ b/tests/long_fn_name.rs
@@ -25,7 +25,7 @@ fn test_long_fn_name() {
     // It's actually longer since it also includes `::`, `<>` and the
     // name of the current module
     let bt = S::<S<S<S<S<S<S<S<S<S<i32>>>>>>>>>>::new();
-    println!("{:?}", bt);
+    println!("{bt:?}");
 
     let mut found_long_name_frame = false;
 
diff --git a/tests/skip_inner_frames.rs b/tests/skip_inner_frames.rs
index 60bba35e6..4a370fbc1 100644
--- a/tests/skip_inner_frames.rs
+++ b/tests/skip_inner_frames.rs
@@ -18,7 +18,7 @@ fn backtrace_new_unresolved_should_start_with_call_site_trace() {
     }
     let mut b = Backtrace::new_unresolved();
     b.resolve();
-    println!("{:?}", b);
+    println!("{b:?}");
 
     assert!(!b.frames().is_empty());
 
@@ -34,7 +34,7 @@ fn backtrace_new_should_start_with_call_site_trace() {
         return;
     }
     let b = Backtrace::new();
-    println!("{:?}", b);
+    println!("{b:?}");
 
     assert!(!b.frames().is_empty());
 
diff --git a/tests/smoke.rs b/tests/smoke.rs
index 715f567f3..a1d11a7f4 100644
--- a/tests/smoke.rs
+++ b/tests/smoke.rs
@@ -111,16 +111,16 @@ fn smoke_test_frames() {
         backtrace::resolve_frame(frame, |sym| {
             print!("symbol  ip:{:?} address:{:?} ", frame.ip(), frame.symbol_address());
             if let Some(name) = sym.name() {
-                print!("name:{} ", name);
+                print!("name:{name} ");
             }
             if let Some(file) = sym.filename() {
                 print!("file:{} ", file.display());
             }
             if let Some(lineno) = sym.lineno() {
-                print!("lineno:{} ", lineno);
+                print!("lineno:{lineno} ");
             }
             if let Some(colno) = sym.colno() {
-                print!("colno:{} ", colno);
+                print!("colno:{colno} ");
             }
             println!();
         });
@@ -268,12 +268,12 @@ fn sp_smoke_test() {
 
         if refs.len() < 5 {
             recursive_stack_references(refs);
-            eprintln!("exiting: {}", x);
+            eprintln!("exiting: {x}");
             return;
         }
 
         backtrace::trace(make_trace_closure(refs));
-        eprintln!("exiting: {}", x);
+        eprintln!("exiting: {x}");
     }
 
     // NB: the following `make_*` functions are pulled out of line, rather than
@@ -295,7 +295,7 @@ fn sp_smoke_test() {
                     sym.name()
                         .and_then(|name| name.as_str())
                         .map_or(false, |name| {
-                            eprintln!("name = {}", name);
+                            eprintln!("name = {name}");
                             name.contains("recursive_stack_references")
                         })
             });