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-rw-r--r--library/std/src/sys/sgx/abi/mod.rs2
-rw-r--r--library/std/src/sys/sgx/abi/usercalls/mod.rs4
-rw-r--r--library/std/src/sys/sgx/abi/usercalls/raw.rs2
-rw-r--r--library/std/src/sys/sgx/net.rs2
-rw-r--r--library/std/src/sys/sgx/os.rs2
-rw-r--r--library/std/src/sys/sgx/stdio.rs2
-rw-r--r--library/std/src/sys/solid/mod.rs2
-rw-r--r--library/std/src/sys/solid/net.rs2
-rw-r--r--library/std/src/sys/solid/os.rs2
-rw-r--r--library/std/src/sys/unix/net.rs2
-rw-r--r--library/std/src/sys/unix/os_str/tests.rs2
-rw-r--r--library/std/src/sys/unix/process/process_fuchsia.rs2
-rw-r--r--library/std/src/sys/unix/process/process_unix.rs10
-rw-r--r--library/std/src/sys/unix/process/process_vxworks.rs4
-rw-r--r--library/std/src/sys/unix/rand.rs2
-rw-r--r--library/std/src/sys/windows/os.rs2
-rw-r--r--library/std/src/sys/windows/process/tests.rs4
-rw-r--r--library/std/src/sys/windows/thread_parker.rs2
18 files changed, 24 insertions, 26 deletions
diff --git a/library/std/src/sys/sgx/abi/mod.rs b/library/std/src/sys/sgx/abi/mod.rs
index 5df08a4ff59..9508c387415 100644
--- a/library/std/src/sys/sgx/abi/mod.rs
+++ b/library/std/src/sys/sgx/abi/mod.rs
@@ -95,7 +95,7 @@ extern "C" fn entry(p1: u64, p2: u64, p3: u64, secondary: bool, p4: u64, p5: u64
 pub(super) fn exit_with_code(code: isize) -> ! {
     if code != 0 {
         if let Some(mut out) = panic::SgxPanicOutput::new() {
-            let _ = write!(out, "Exited with status code {}", code);
+            let _ = write!(out, "Exited with status code {code}");
         }
     }
     usercalls::exit(code != 0);
diff --git a/library/std/src/sys/sgx/abi/usercalls/mod.rs b/library/std/src/sys/sgx/abi/usercalls/mod.rs
index a6a659df291..4030355f135 100644
--- a/library/std/src/sys/sgx/abi/usercalls/mod.rs
+++ b/library/std/src/sys/sgx/abi/usercalls/mod.rs
@@ -83,7 +83,7 @@ pub fn close(fd: Fd) {
 
 fn string_from_bytebuffer(buf: &alloc::UserRef<ByteBuffer>, usercall: &str, arg: &str) -> String {
     String::from_utf8(buf.copy_user_buffer())
-        .unwrap_or_else(|_| rtabort!("Usercall {}: expected {} to be valid UTF-8", usercall, arg))
+        .unwrap_or_else(|_| rtabort!("Usercall {usercall}: expected {arg} to be valid UTF-8"))
 }
 
 /// Usercall `bind_stream`. See the ABI documentation for more information.
@@ -287,7 +287,7 @@ fn check_os_error(err: Result) -> i32 {
     {
         err
     } else {
-        rtabort!("Usercall: returned invalid error value {}", err)
+        rtabort!("Usercall: returned invalid error value {err}")
     }
 }
 
diff --git a/library/std/src/sys/sgx/abi/usercalls/raw.rs b/library/std/src/sys/sgx/abi/usercalls/raw.rs
index b0e6a6aaed7..4267b96ccd5 100644
--- a/library/std/src/sys/sgx/abi/usercalls/raw.rs
+++ b/library/std/src/sys/sgx/abi/usercalls/raw.rs
@@ -132,7 +132,7 @@ impl<T: RegisterArgument> RegisterArgument for Option<NonNull<T>> {
 
 impl ReturnValue for ! {
     fn from_registers(call: &'static str, _regs: (Register, Register)) -> Self {
-        rtabort!("Usercall {}: did not expect to be re-entered", call);
+        rtabort!("Usercall {call}: did not expect to be re-entered");
     }
 }
 
diff --git a/library/std/src/sys/sgx/net.rs b/library/std/src/sys/sgx/net.rs
index d14990c6877..feb0b62dcd1 100644
--- a/library/std/src/sys/sgx/net.rs
+++ b/library/std/src/sys/sgx/net.rs
@@ -501,7 +501,7 @@ impl<'a> TryFrom<(&'a str, u16)> for LookupHost {
     type Error = io::Error;
 
     fn try_from((host, port): (&'a str, u16)) -> io::Result<LookupHost> {
-        LookupHost::new(format!("{}:{}", host, port))
+        LookupHost::new(format!("{host}:{port}"))
     }
 }
 
diff --git a/library/std/src/sys/sgx/os.rs b/library/std/src/sys/sgx/os.rs
index 5f8b8def7c6..5da0257f35d 100644
--- a/library/std/src/sys/sgx/os.rs
+++ b/library/std/src/sys/sgx/os.rs
@@ -22,7 +22,7 @@ pub fn error_string(errno: i32) -> String {
     if errno == RESULT_SUCCESS {
         "operation successful".into()
     } else if ((Error::UserRangeStart as _)..=(Error::UserRangeEnd as _)).contains(&errno) {
-        format!("user-specified error {:08x}", errno)
+        format!("user-specified error {errno:08x}")
     } else {
         decode_error_kind(errno).as_str().into()
     }
diff --git a/library/std/src/sys/sgx/stdio.rs b/library/std/src/sys/sgx/stdio.rs
index 8ccf043b5b5..2e680e740fd 100644
--- a/library/std/src/sys/sgx/stdio.rs
+++ b/library/std/src/sys/sgx/stdio.rs
@@ -83,6 +83,6 @@ pub unsafe extern "C" fn __rust_print_err(m: *mut u8, s: i32) {
     }
     let buf = unsafe { slice::from_raw_parts(m as *const u8, s as _) };
     if let Ok(s) = str::from_utf8(&buf[..buf.iter().position(|&b| b == 0).unwrap_or(buf.len())]) {
-        eprint!("{}", s);
+        eprint!("{s}");
     }
 }
diff --git a/library/std/src/sys/solid/mod.rs b/library/std/src/sys/solid/mod.rs
index 2082c940153..049460755d6 100644
--- a/library/std/src/sys/solid/mod.rs
+++ b/library/std/src/sys/solid/mod.rs
@@ -87,7 +87,7 @@ pub fn hashmap_random_keys() -> (u64, u64) {
     unsafe {
         let mut out = crate::mem::MaybeUninit::<[u64; 2]>::uninit();
         let result = abi::SOLID_RNG_SampleRandomBytes(out.as_mut_ptr() as *mut u8, 16);
-        assert_eq!(result, 0, "SOLID_RNG_SampleRandomBytes failed: {}", result);
+        assert_eq!(result, 0, "SOLID_RNG_SampleRandomBytes failed: {result}");
         let [x1, x2] = out.assume_init();
         (x1, x2)
     }
diff --git a/library/std/src/sys/solid/net.rs b/library/std/src/sys/solid/net.rs
index a43407bd0f8..faeda5a854d 100644
--- a/library/std/src/sys/solid/net.rs
+++ b/library/std/src/sys/solid/net.rs
@@ -157,7 +157,7 @@ pub fn cvt_gai(err: c_int) -> io::Result<()> {
         };
         Err(io::Error::new(
             io::ErrorKind::Uncategorized,
-            &format!("failed to lookup address information: {}", msg)[..],
+            &format!("failed to lookup address information: {msg}")[..],
         ))
     }
 }
diff --git a/library/std/src/sys/solid/os.rs b/library/std/src/sys/solid/os.rs
index 22239e1fa8e..127cca3acca 100644
--- a/library/std/src/sys/solid/os.rs
+++ b/library/std/src/sys/solid/os.rs
@@ -26,7 +26,7 @@ pub fn errno() -> i32 {
 }
 
 pub fn error_string(errno: i32) -> String {
-    if let Some(name) = error::error_name(errno) { name.to_owned() } else { format!("{}", errno) }
+    if let Some(name) = error::error_name(errno) { name.to_owned() } else { format!("{errno}") }
 }
 
 pub fn getcwd() -> io::Result<PathBuf> {
diff --git a/library/std/src/sys/unix/net.rs b/library/std/src/sys/unix/net.rs
index 61c15ecd85d..e6fd9a0c827 100644
--- a/library/std/src/sys/unix/net.rs
+++ b/library/std/src/sys/unix/net.rs
@@ -54,7 +54,7 @@ pub fn cvt_gai(err: c_int) -> io::Result<()> {
 
     Err(io::Error::new(
         io::ErrorKind::Uncategorized,
-        &format!("failed to lookup address information: {}", detail)[..],
+        &format!("failed to lookup address information: {detail}")[..],
     ))
 }
 
diff --git a/library/std/src/sys/unix/os_str/tests.rs b/library/std/src/sys/unix/os_str/tests.rs
index 37967378155..213277f01f2 100644
--- a/library/std/src/sys/unix/os_str/tests.rs
+++ b/library/std/src/sys/unix/os_str/tests.rs
@@ -4,7 +4,7 @@ use super::*;
 fn slice_debug_output() {
     let input = Slice::from_u8_slice(b"\xF0hello,\tworld");
     let expected = r#""\xF0hello,\tworld""#;
-    let output = format!("{:?}", input);
+    let output = format!("{input:?}");
 
     assert_eq!(output, expected);
 }
diff --git a/library/std/src/sys/unix/process/process_fuchsia.rs b/library/std/src/sys/unix/process/process_fuchsia.rs
index 09bfd9680f5..e3347ab12a7 100644
--- a/library/std/src/sys/unix/process/process_fuchsia.rs
+++ b/library/std/src/sys/unix/process/process_fuchsia.rs
@@ -211,7 +211,7 @@ impl Process {
                     return Ok(None);
                 }
                 _ => {
-                    panic!("Failed to wait on process handle: {}", status);
+                    panic!("Failed to wait on process handle: {status}");
                 }
             }
             zx_cvt(zx_object_get_info(
diff --git a/library/std/src/sys/unix/process/process_unix.rs b/library/std/src/sys/unix/process/process_unix.rs
index 07a0339c066..9c477e5addc 100644
--- a/library/std/src/sys/unix/process/process_unix.rs
+++ b/library/std/src/sys/unix/process/process_unix.rs
@@ -120,7 +120,7 @@ impl Command {
                 Err(ref e) if e.kind() == ErrorKind::Interrupted => {}
                 Err(e) => {
                     assert!(p.wait().is_ok(), "wait() should either return Ok or panic");
-                    panic!("the CLOEXEC pipe failed: {:?}", e)
+                    panic!("the CLOEXEC pipe failed: {e:?}")
                 }
                 Ok(..) => {
                     // pipe I/O up to PIPE_BUF bytes should be atomic
@@ -682,15 +682,15 @@ impl From<c_int> for ExitStatus {
 impl fmt::Display for ExitStatus {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         if let Some(code) = self.code() {
-            write!(f, "exit status: {}", code)
+            write!(f, "exit status: {code}")
         } else if let Some(signal) = self.signal() {
             if self.core_dumped() {
-                write!(f, "signal: {} (core dumped)", signal)
+                write!(f, "signal: {signal} (core dumped)")
             } else {
-                write!(f, "signal: {}", signal)
+                write!(f, "signal: {signal}")
             }
         } else if let Some(signal) = self.stopped_signal() {
-            write!(f, "stopped (not terminated) by signal: {}", signal)
+            write!(f, "stopped (not terminated) by signal: {signal}")
         } else if self.continued() {
             write!(f, "continued (WIFCONTINUED)")
         } else {
diff --git a/library/std/src/sys/unix/process/process_vxworks.rs b/library/std/src/sys/unix/process/process_vxworks.rs
index 56ed6cfeb6a..016bc20ec0a 100644
--- a/library/std/src/sys/unix/process/process_vxworks.rs
+++ b/library/std/src/sys/unix/process/process_vxworks.rs
@@ -239,10 +239,10 @@ impl From<c_int> for ExitStatus {
 impl fmt::Display for ExitStatus {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         if let Some(code) = self.code() {
-            write!(f, "exit code: {}", code)
+            write!(f, "exit code: {code}")
         } else {
             let signal = self.signal().unwrap();
-            write!(f, "signal: {}", signal)
+            write!(f, "signal: {signal}")
         }
     }
 }
diff --git a/library/std/src/sys/unix/rand.rs b/library/std/src/sys/unix/rand.rs
index 7a3f6b0d95a..17e8efbe097 100644
--- a/library/std/src/sys/unix/rand.rs
+++ b/library/std/src/sys/unix/rand.rs
@@ -82,7 +82,7 @@ mod imp {
                 } else if err == libc::EAGAIN {
                     return false;
                 } else {
-                    panic!("unexpected getrandom error: {}", err);
+                    panic!("unexpected getrandom error: {err}");
                 }
             } else {
                 read += result as usize;
diff --git a/library/std/src/sys/windows/os.rs b/library/std/src/sys/windows/os.rs
index 5f8556c3bc3..450bceae000 100644
--- a/library/std/src/sys/windows/os.rs
+++ b/library/std/src/sys/windows/os.rs
@@ -64,7 +64,7 @@ pub fn error_string(mut errnum: i32) -> String {
         if res == 0 {
             // Sometimes FormatMessageW can fail e.g., system doesn't like langId,
             let fm_err = errno();
-            return format!("OS Error {} (FormatMessageW() returned error {})", errnum, fm_err);
+            return format!("OS Error {errnum} (FormatMessageW() returned error {fm_err})");
         }
 
         match String::from_utf16(&buf[..res]) {
diff --git a/library/std/src/sys/windows/process/tests.rs b/library/std/src/sys/windows/process/tests.rs
index d18c3d855bc..d8c9beb0c19 100644
--- a/library/std/src/sys/windows/process/tests.rs
+++ b/library/std/src/sys/windows/process/tests.rs
@@ -121,9 +121,7 @@ fn windows_env_unicode_case() {
             assert_eq!(
                 env::var(key).ok(),
                 value.map(|s| s.to_string_lossy().into_owned()),
-                "command environment mismatch: {} {}",
-                a,
-                b
+                "command environment mismatch: {a} {b}",
             );
         }
     }
diff --git a/library/std/src/sys/windows/thread_parker.rs b/library/std/src/sys/windows/thread_parker.rs
index 5a8011a9588..5888ee8e34b 100644
--- a/library/std/src/sys/windows/thread_parker.rs
+++ b/library/std/src/sys/windows/thread_parker.rs
@@ -230,7 +230,7 @@ fn keyed_event_handle() -> c::HANDLE {
                     0,
                 ) {
                     c::STATUS_SUCCESS => {}
-                    r => panic!("Unable to create keyed event handle: error {}", r),
+                    r => panic!("Unable to create keyed event handle: error {r}"),
                 }
             }
             match HANDLE.compare_exchange(INVALID, handle as usize, Relaxed, Relaxed) {