Fix clippy warnings for wasm32-wasip1 target

Author: DePasqualeOrg

src/uu/sort/src/merge.rs

@@ -779,10 +779,10 @@ impl<M: MergeInput> SyncFileMerger<'_, M> {
 }
 
 #[cfg(wasi_no_threads)]
-fn merge_without_limit_sync<'a, M: MergeInput + 'static, F: Iterator<Item = UResult<M>>>(
+fn merge_without_limit_sync<M: MergeInput + 'static, F: Iterator<Item = UResult<M>>>(
     files: F,
-    settings: &'a GlobalSettings,
-) -> UResult<SyncFileMerger<'a, M>> {
+    settings: &GlobalSettings,
+) -> UResult<SyncFileMerger<'_, M>> {
     let separator = settings.line_ending.into();
     let mut readers: Vec<Option<SyncReaderFile<M>>> = Vec::new();
     let mut mergeable_files = Vec::new();

src/uu/touch/src/touch.rs

@@ -807,7 +807,10 @@ fn parse_timestamp(s: &str) -> UResult<FileTime> {
 ///
 /// On Windows, uses `GetFinalPathNameByHandleW` to attempt to get the path
 /// from the stdout handle.
-#[cfg_attr(not(windows), expect(clippy::unnecessary_wraps))]
+#[cfg_attr(
+    not(any(windows, target_os = "wasi")),
+    expect(clippy::unnecessary_wraps)
+)]
 fn pathbuf_from_stdout() -> Result<PathBuf, TouchError> {
     #[cfg(all(unix, not(target_os = "android")))]
     {
@@ -818,11 +821,9 @@ fn pathbuf_from_stdout() -> Result<PathBuf, TouchError> {
         Ok(PathBuf::from("/proc/self/fd/1"))
     }
     #[cfg(target_os = "wasi")]
-    {
-        return Err(TouchError::UnsupportedPlatformFeature(
-            "touch - (stdout) is not supported on WASI".to_string(),
-        ));
-    }
+    return Err(TouchError::UnsupportedPlatformFeature(
+        "touch - (stdout) is not supported on WASI".to_string(),
+    ));
     #[cfg(windows)]
     {
         use std::os::windows::prelude::AsRawHandle;

src/uucore/src/lib/features/fs.rs

@@ -188,7 +188,7 @@ impl FileInformation {
         #[cfg(windows)]
         return self.0.number_of_links();
         #[cfg(target_os = "wasi")]
-        return self.0.st_nlink as u64;
+        return self.0.st_nlink;
     }
 
     #[cfg(unix)]

src/uucore/src/lib/features/fsext.rs

@@ -458,6 +458,7 @@ use std::ptr;
 use std::slice;
 
 /// Read file system list.
+#[cfg_attr(target_os = "wasi", allow(clippy::unnecessary_wraps))]
 pub fn read_fs_list() -> UResult<Vec<MountInfo>> {
     #[cfg(any(target_os = "linux", target_os = "android", target_os = "cygwin"))]
     {