formatting fixes

Signed-off-by: Nell Shamrell <[email protected]>

Author: nellshamrell

content/2025-10-01-this-week-in-rust.md

@@ -91,7 +91,7 @@ If you are a feature implementer and would like your RFC to appear in this list,
 `call-for-testing` label to your RFC along with a comment providing testing instructions and/or
 guidance on which aspect(s) of the feature need testing.
 
-[Rust](https://github.com/rust-lang/rust/labels/call-for-testing),
+[Rust](https://github.com/rust-lang/rust/labels/call-for-testing)
 
 * [FR: Add a --fail-fast option to libtest](https://github.com/rust-lang/rust/issues/142859)
   * [Testing instructions](https://github.com/rust-lang/rust/issues/142859#issuecomment-3339090064)
@@ -140,7 +140,7 @@ If you are an event organizer hoping to expand the reach of your event, please s
 
 [merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2025-09-23..2025-09-30
 
- #### Compiler
+#### Compiler
 * [add an attribute to check the number of lanes in a SIMD vector after monomorphization](https://github.com/rust-lang/rust/pull/146667)
 * [add panic=immediate-abort](https://github.com/rust-lang/rust/pull/146317)
 * [skip stack overflow handler for panic=immediate-abort](https://github.com/rust-lang/rust/pull/147090)
@@ -150,7 +150,7 @@ If you are an event organizer hoping to expand the reach of your event, please s
 * [do not compute optimized MIR if code does not type-check](https://github.com/rust-lang/rust/pull/147092)
 * [do not materialise X in `[X; 0]` when X is unsizing a const](https://github.com/rust-lang/rust/pull/145277)
 * [improve diagnostics for empty attributes](https://github.com/rust-lang/rust/pull/146653)
- #### Library
+#### Library
 * [BTreeMap: don't leak allocators when initializing nodes](https://github.com/rust-lang/rust/pull/146859)
 * [constify {`Mutex`, `RwLock`, `ReentrantLock`}`::data_ptr`](https://github.com/rust-lang/rust/pull/146904)
 * [constify Default on Nanoseconds](https://github.com/rust-lang/rust/pull/146979)
@@ -160,20 +160,20 @@ If you are an event organizer hoping to expand the reach of your event, please s
 * [fix infinite recursion in `Path::eq` with String](https://github.com/rust-lang/rust/pull/146958)
 * [implement `hostname`](https://github.com/rust-lang/rust/pull/146937)
 * [remove most `#[track_caller]` from allocating Vec methods](https://github.com/rust-lang/rust/pull/147042)
- #### Cargo
+#### Cargo
 * [config: combine key error context into one](https://github.com/rust-lang/cargo/pull/16004)
 * [shell: Use a distinct style for transient status](https://github.com/rust-lang/cargo/pull/16019)
 * [add retry for `git fetch` failures in `CARGO_NET_GIT_FETCH_WITH_CLI` path](https://github.com/rust-lang/cargo/pull/16016)
 * [better error message for rust version incompatibility](https://github.com/rust-lang/cargo/pull/16021)
 * [sparse URLs in `TomlLockfileSourceId`](https://github.com/rust-lang/cargo/pull/15990)
 * [use `host-tuple` for host target subsitution](https://github.com/rust-lang/cargo/pull/16003)
- #### Rustdoc
+#### Rustdoc
 * [Add support for associated items in "jump to def" feature](https://github.com/rust-lang/rust/pull/135771)
 * [add rustdoc `doc_cfg` features](https://github.com/rust-lang/rust/pull/138907) (RFC [#3631](https://rust-lang.github.io/rfcs/3631-rustdoc-cfgs-handling.html))
 * [search: use the same ID for entry and path to same item](https://github.com/rust-lang/rust/pull/147045)
 * [hide `#[repr]` if it isn't part of the public ABI](https://github.com/rust-lang/rust/pull/116882)
 * [put the toolbar on the all item index](https://github.com/rust-lang/rust/pull/147047)
- #### Clippy
+#### Clippy
 * [`double_parens`: add structured suggestions, fix bug](https://github.com/rust-lang/rust-clippy/pull/15420)
 * [`filter_next`: check for `filter().next_back()`](https://github.com/rust-lang/rust-clippy/pull/15748)
 * [`collapsible`(`_else`)`_if`: respect `#[expect]` on inner `if`](https://github.com/rust-lang/rust-clippy/pull/15647)
@@ -187,7 +187,7 @@ If you are an event organizer hoping to expand the reach of your event, please s
 * [overhaul `mut_mut`](https://github.com/rust-lang/rust-clippy/pull/15417)
 * [refactor `module_style`](https://github.com/rust-lang/rust-clippy/pull/15469)
 * [rename `unchecked_duration_subtraction` to `unchecked_time_subtraction` and check for `Duration - Duration`](https://github.com/rust-lang/rust-clippy/pull/13800)
- #### Rust-Analyzer
+#### Rust-Analyzer
 * [add `all`, `any` and `not` completions in `#[cfg]`](https://github.com/rust-lang/rust-analyzer/pull/20760)
 * [add `cfg_attr` predicate completion](https://github.com/rust-lang/rust-analyzer/pull/20604)
 * [add applicable on bang `!` for `apply_demorgan`](https://github.com/rust-lang/rust-analyzer/pull/20599)