Fix multiple deprecation problems

kernel/aster-nix/src/fs/exfat/dentry.rs

@@ -3,7 +3,7 @@
 #![allow(dead_code)]
 #![allow(unused_variables)]
 
-use core::ops::Range;
+use core::{fmt::Display, ops::Range};
 
 use aster_frame::mm::VmIo;
 use aster_rights::Full;
@@ -737,9 +737,9 @@ impl ExfatName {
     }
 }
 
-impl ToString for ExfatName {
-    fn to_string(&self) -> String {
-        String::from_utf16_lossy(&self.0)
+impl Display for ExfatName {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        write!(f, "{}", String::from_utf16_lossy(&self.0))
     }
 }
 

kernel/aster-nix/src/fs/exfat/inode.rs

@@ -481,6 +481,8 @@ impl ExfatInodeInner {
             target_name.to_string()
         };
 
+        // FIXME: This isn't expected by the compiler.
+        #[allow(non_local_definitions)]
         impl DirentVisitor for Vec<(String, usize)> {
             fn visit(
                 &mut self,
@@ -992,6 +994,8 @@ impl ExfatInode {
         let new_parent_hash = self.hash_index();
         let sub_dir = inner.num_sub_inodes;
         let mut child_offsets: Vec<usize> = vec![];
+        // FIXME: This isn't expected by the compiler.
+        #[allow(non_local_definitions)]
         impl DirentVisitor for Vec<usize> {
             fn visit(
                 &mut self,

kernel/aster-nix/src/fs/inode_handle/mod.rs

@@ -118,7 +118,7 @@ impl InodeHandle_ {
         let mut offset = self.offset.lock();
         let new_offset: isize = match pos {
             SeekFrom::Start(off /* as usize */) => {
-                if off > isize::max_value() as usize {
+                if off > isize::MAX as usize {
                     return_errno_with_message!(Errno::EINVAL, "file offset is too large");
                 }
                 off as isize
@@ -137,7 +137,7 @@ impl InodeHandle_ {
         if new_offset < 0 {
             return_errno_with_message!(Errno::EINVAL, "file offset must not be negative");
         }
-        // Invariant: 0 <= new_offset <= isize::max_value()
+        // Invariant: 0 <= new_offset <= isize::MAX
         let new_offset = new_offset as usize;
         *offset = new_offset;
         Ok(new_offset)

kernel/aster-nix/src/fs/utils/random_test.rs

@@ -351,12 +351,12 @@ impl DirInMemory {
             match old {
                 DentryInMemory::Dir(ref mut dir) => {
                     dir.inode = lookup_new_inode_result.unwrap();
-                    dir.name = new_name.clone();
+                    dir.name.clone_from(new_name);
                     dir.depth = self.depth + 1;
                 }
                 DentryInMemory::File(ref mut file) => {
                     file.inode = lookup_new_inode_result.unwrap();
-                    file.name = new_name.clone();
+                    file.name.clone_from(new_name);
                 }
             }
             if exist {

kernel/aster-nix/src/process/rlimit.rs

@@ -67,10 +67,7 @@ pub struct RLimit64 {
 
 impl RLimit64 {
     pub fn new(cur: u64) -> Self {
-        Self {
-            cur,
-            max: u64::max_value(),
-        }
+        Self { cur, max: u64::MAX }
     }
 
     pub fn get_cur(&self) -> u64 {
@@ -85,8 +82,8 @@ impl RLimit64 {
 impl Default for RLimit64 {
     fn default() -> Self {
         Self {
-            cur: u64::max_value(),
-            max: u64::max_value(),
+            cur: u64::MAX,
+            max: u64::MAX,
         }
     }
 }

kernel/libs/aster-rights-proc/src/require_attr.rs

@@ -69,11 +69,15 @@ pub fn expand_require(item: RequireItem, mut require_attr: RequireAttr) -> Token
     match item {
         RequireItem::Impl(item_impl) => {
             let new_item_impl = require_attr.fold_item_impl(item_impl);
-            quote!(#new_item_impl)
+            quote!(
+                #[allow(clippy::multiple_bound_locations)]
+                #new_item_impl
+            )
         }
         RequireItem::Fn(item_fn) => {
             let new_item_fn = require_attr.fold_item_fn(item_fn);
             quote!(
+                #[allow(clippy::multiple_bound_locations)]
                 #new_item_fn
             )
         }

kernel/libs/comp-sys/component/src/lib.rs

@@ -152,7 +152,7 @@ fn match_and_call(
         } else {
             panic!("The path of {} cannot recognized by component system", str);
         }
-        str = str.trim_end_matches('/').to_owned();
+        let str = str.trim_end_matches('/').to_owned();
 
         let mut info = components
             .remove(&str)

kernel/libs/keyable-arc/src/lib.rs

@@ -190,7 +190,9 @@ impl<T: ?Sized> Eq for KeyableArc<T> {}
 
 impl<T: ?Sized> Ord for KeyableArc<T> {
     fn cmp(&self, other: &Self) -> Ordering {
-        Arc::as_ptr(&self.0).cmp(&Arc::as_ptr(&other.0))
+        Arc::as_ptr(&self.0)
+            .cast::<()>()
+            .cmp(&Arc::as_ptr(&other.0).cast::<()>())
     }
 }
 
@@ -281,7 +283,10 @@ impl<T: ?Sized> Eq for KeyableWeak<T> {}
 
 impl<T: ?Sized> Ord for KeyableWeak<T> {
     fn cmp(&self, other: &Self) -> Ordering {
-        self.0.as_ptr().cmp(&other.0.as_ptr())
+        self.0
+            .as_ptr()
+            .cast::<()>()
+            .cmp(&other.0.as_ptr().cast::<()>())
     }
 }