Merge #1862

1862: Bump MSRV to 1.63 for I/O safety r=asomers a=SUPERCILEX

Prep for https://github.com/nix-rust/nix/issues/1750

Co-authored-by: Alex Saveau <saveau.alexandre@gmail.com>

3 files changed, 10 insertions, 12 deletions

diff --git a/test/sys/test_aio.rs b/test/sys/test_aio.rs
index 84086f80..fdabaca6 100644
--- a/test/sys/test_aio.rs
+++ b/test/sys/test_aio.rs
@@ -610,7 +610,7 @@ fn test_aio_suspend() {
             let r = aio_suspend(&cbbuf[..], Some(timeout));
             match r {
                 Err(Errno::EINTR) => continue,
-                Err(e) => panic!("aio_suspend returned {:?}", e),
+                Err(e) => panic!("aio_suspend returned {e:?}"),
                 Ok(_) => (),
             };
         }
diff --git a/test/sys/test_signal.rs b/test/sys/test_signal.rs
index 3ad14f40..721cb9c9 100644
--- a/test/sys/test_signal.rs
+++ b/test/sys/test_signal.rs
@@ -54,9 +54,8 @@ fn test_sigprocmask() {
     // test don't make sense.
     assert!(
         !old_signal_set.contains(SIGNAL),
-        "the {:?} signal is already blocked, please change to a \
-             different one",
-        SIGNAL
+        "the {SIGNAL:?} signal is already blocked, please change to a \
+             different one"
     );
 
     // Now block the signal.
@@ -71,8 +70,7 @@ fn test_sigprocmask() {
         .expect("expect to be able to retrieve old signals");
     assert!(
         old_signal_set.contains(SIGNAL),
-        "expected the {:?} to be blocked",
-        SIGNAL
+        "expected the {SIGNAL:?} to be blocked"
     );
 
     // Reset the signal.
diff --git a/test/sys/test_socket.rs b/test/sys/test_socket.rs
index 1413eb6b..2ab6c54f 100644
--- a/test/sys/test_socket.rs
+++ b/test/sys/test_socket.rs
@@ -626,7 +626,7 @@ mod recvfrom {
                 println!("IPv6 not available, skipping test.");
                 return;
             }
-            Err(e) => panic!("bind: {}", e),
+            Err(e) => panic!("bind: {e}"),
             Ok(()) => (),
         }
         let ssock = socket(
@@ -1272,7 +1272,7 @@ fn test_scm_credentials() {
                 ControlMessageOwned::ScmCredentials(cred) => cred,
                 #[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
                 ControlMessageOwned::ScmCreds(cred) => cred,
-                other => panic!("unexpected cmsg {:?}", other),
+                other => panic!("unexpected cmsg {other:?}"),
             };
             assert!(received_cred.is_none());
             assert_eq!(cred.pid(), getpid().as_raw());
@@ -1550,7 +1550,7 @@ fn loopback_address(
         Err(e) => {
             let stdioerr = io::stderr();
             let mut handle = stdioerr.lock();
-            writeln!(handle, "getifaddrs: {:?}", e).unwrap();
+            writeln!(handle, "getifaddrs: {e:?}").unwrap();
             return None;
         }
     };
@@ -2347,7 +2347,7 @@ mod linux_errqueue {
                     }
                     *ext_err
                 } else {
-                    panic!("Unexpected control message {:?}", cmsg);
+                    panic!("Unexpected control message {cmsg:?}");
                 }
             },
         )
@@ -2398,7 +2398,7 @@ mod linux_errqueue {
                     }
                     *ext_err
                 } else {
-                    panic!("Unexpected control message {:?}", cmsg);
+                    panic!("Unexpected control message {cmsg:?}");
                 }
             },
         )
@@ -2432,7 +2432,7 @@ mod linux_errqueue {
             MsgFlags::empty(),
         ) {
             assert_eq!(e, Errno::EADDRNOTAVAIL);
-            println!("{:?} not available, skipping test.", af);
+            println!("{af:?} not available, skipping test.");
             return;
         }