chore: fix typos

library/core/src/macros/mod.rs

@@ -1549,7 +1549,7 @@ pub(crate) mod builtin {
     /// NAME is a string that represents a valid function name.
     /// MODE is any of Forward, Reverse, ForwardFirst, ReverseFirst.
     /// INPUT_ACTIVITIES consists of one valid activity for each input parameter.
-    /// OUTPUT_ACTIVITY must not be set if we implicitely return nothing (or explicitely return
+    /// OUTPUT_ACTIVITY must not be set if we implicitly return nothing (or explicitly return
     /// `-> ()`). Otherwise it must be set to one of the allowed activities.
     #[unstable(feature = "autodiff", issue = "124509")]
     #[allow_internal_unstable(rustc_attrs)]

library/core/src/str/lossy.rs

@@ -8,7 +8,7 @@ impl [u8] {
     /// Creates an iterator over the contiguous valid UTF-8 ranges of this
     /// slice, and the non-UTF-8 fragments in between.
     ///
-    /// See the [`Utf8Chunk`] type for documenation of the items yielded by this iterator.
+    /// See the [`Utf8Chunk`] type for documentation of the items yielded by this iterator.
     ///
     /// # Examples
     ///
@@ -150,7 +150,7 @@ impl fmt::Debug for Debug<'_> {
 /// If you want a simple conversion from UTF-8 byte slices to string slices,
 /// [`from_utf8`] is easier to use.
 ///
-/// See the [`Utf8Chunk`] type for documenation of the items yielded by this iterator.
+/// See the [`Utf8Chunk`] type for documentation of the items yielded by this iterator.
 ///
 /// [byteslice]: slice
 /// [`from_utf8`]: super::from_utf8

library/core/tests/iter/adapters/take.rs

@@ -255,7 +255,7 @@ fn test_reverse_on_zip() {
 
     let zipped_iter = vec_1.iter().zip(core::iter::repeat(0).take(20));
 
-    // Cannot call rev here for automatic reversed zip constuction
+    // Cannot call rev here for automatic reversed zip construction
     for (&one, zero) in zipped_iter.rev() {
         assert_eq!((1, 0), (one, zero));
     }

src/tools/compiletest/src/read2.rs

@@ -90,7 +90,7 @@ impl ProcOutput {
                         .count();
                     *filtered_len -= matches * path_bytes.len();
 
-                    // We can't just remove the length of the filtered path from the output lenght,
+                    // We can't just remove the length of the filtered path from the output length,
                     // otherwise a compiler emitting only filtered paths would OOM compiletest. Add
                     // a fixed placeholder length for each path to prevent that.
                     *filtered_len += matches * FILTERED_PATHS_PLACEHOLDER_LEN;

tests/ui/traits/non_lifetime_binders/basic.rs

@@ -1,5 +1,5 @@
 //@ check-pass
-// Basic test that show's we can succesfully typeck a `for<T>` where clause.
+// Basic test that show's we can successfully typeck a `for<T>` where clause.
 
 #![feature(non_lifetime_binders)]
 //~^ WARN the feature `non_lifetime_binders` is incomplete