diff --git a/examples/read_serialport.rs b/examples/read_serialport.rs
index 98bd1da..1a416ae 100644
--- a/examples/read_serialport.rs
+++ b/examples/read_serialport.rs
@@ -76,7 +76,7 @@ pub fn main() -> io::Result<()> {
                 // This should never happen as we only registered our
                 // `UdpSocket` using the `UDP_SOCKET` token, but if it ever
                 // does we'll log it.
-                error!("Got event for unexpected token: {:?}", event);
+                error!("Got event for unexpected token: {event:?}");
             }
         }
     }
diff --git a/src/lib.rs b/src/lib.rs
index f8379ce..9fd5150 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -64,9 +64,7 @@ mod os_prelude {
     pub use winapi::um::fileapi::*;
     pub use winapi::um::handleapi::INVALID_HANDLE_VALUE;
     pub use winapi::um::winbase::{COMMTIMEOUTS, FILE_FLAG_OVERLAPPED};
-    pub use winapi::um::winnt::{
-        FILE_ATTRIBUTE_NORMAL, GENERIC_READ, GENERIC_WRITE, HANDLE,
-    };
+    pub use winapi::um::winnt::{FILE_ATTRIBUTE_NORMAL, GENERIC_READ, GENERIC_WRITE, HANDLE};
 }
 use os_prelude::*;
 
@@ -668,7 +666,7 @@ mod io {
         }
     }
 
-    impl<'a> Read for &'a SerialStream {
+    impl Read for &SerialStream {
         fn read(&mut self, bytes: &mut [u8]) -> StdIoResult<usize> {
             uninterruptibly!(match unsafe {
                 libc::read(
@@ -683,7 +681,7 @@ mod io {
         }
     }
 
-    impl<'a> Write for &'a SerialStream {
+    impl Write for &SerialStream {
         fn write(&mut self, bytes: &[u8]) -> StdIoResult<usize> {
             uninterruptibly!(match unsafe {
                 libc::write(
diff --git a/tests/common.rs b/tests/common.rs
index b0dd7b6..d6c867f 100644
--- a/tests/common.rs
+++ b/tests/common.rs
@@ -188,9 +188,9 @@ impl Drop for Fixture {
         self.process.kill().ok();
         thread::sleep(Duration::from_millis(1000));
         log::trace!("removing link: {:?}", self.port_a);
-        std::fs::remove_file(&self.port_a).ok();
+        std::fs::remove_file(self.port_a).ok();
         log::trace!("removing link: {:?}", self.port_b);
-        std::fs::remove_file(&self.port_b).ok();
+        std::fs::remove_file(self.port_b).ok();
         thread::sleep(Duration::from_millis(1000));
     }
 }
@@ -200,14 +200,11 @@ impl Fixture {
     pub fn new(port_a: &'static str, port_b: &'static str) -> Self {
         use std::sync::atomic::{AtomicUsize, Ordering};
         static N: AtomicUsize = AtomicUsize::new(0);
-        LOGGING_INIT.call_once(|| env_logger::init());
+        LOGGING_INIT.call_once(env_logger::init);
         let n = N.fetch_add(1, Ordering::Relaxed);
-        let port_a = format!("{}{}", port_a, n).leak();
-        let port_b = format!("{}{}", port_b, n).leak();
-        let args = [
-            format!("PTY,link={}", port_a),
-            format!("PTY,link={}", port_b),
-        ];
+        let port_a = format!("{port_a}{n}").leak();
+        let port_b = format!("{port_b}{n}").leak();
+        let args = [format!("PTY,link={port_a}"), format!("PTY,link={port_b}")];
         log::trace!("starting process: socat {} {}", args[0], args[1]);
 
         let process = process::Command::new("socat")