Tweak various coverage test files for slightly nicer formatting

For coverage tests, splitting code across multiple lines often makes the
resulting coverage report easier to interpret, so we force rustfmt to retain
line breaks by adding dummy line comments with `//`.

1 files changed, 13 insertions, 13 deletions

diff --git a/tests/coverage/uses_crate.coverage b/tests/coverage/uses_crate.coverage
index a6a570a0850..d001eeffd86 100644
--- a/tests/coverage/uses_crate.coverage
+++ b/tests/coverage/uses_crate.coverage
@@ -19,69 +19,69 @@ $DIR/auxiliary/used_crate.rs:
    LL|      1|}
    LL|       |
    LL|      2|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
-   LL|      2|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
+   LL|      2|    println!("used_only_from_bin_crate_generic_function with {arg:?}");
    LL|      2|}
   ------------------
   | Unexecuted instantiation: used_crate::used_only_from_bin_crate_generic_function::<_>
   ------------------
   | used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
   |   LL|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_only_from_bin_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
   | used_crate::used_only_from_bin_crate_generic_function::<&str>:
   |   LL|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_only_from_bin_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
    LL|       |// Expect for above function: `Unexecuted instantiation` (see below)
    LL|      2|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
-   LL|      2|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
+   LL|      2|    println!("used_only_from_this_lib_crate_generic_function with {arg:?}");
    LL|      2|}
   ------------------
   | used_crate::used_only_from_this_lib_crate_generic_function::<&str>:
   |   LL|      1|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_only_from_this_lib_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
   | used_crate::used_only_from_this_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
   |   LL|      1|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_only_from_this_lib_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
    LL|       |
    LL|      2|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-   LL|      2|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+   LL|      2|    println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}");
    LL|      2|}
   ------------------
   | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>:
   |   LL|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
   | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
   |   LL|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
    LL|       |
    LL|      2|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-   LL|      2|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+   LL|      2|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}");
    LL|      2|}
   ------------------
   | used_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>:
   |   LL|      1|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
   | used_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>:
   |   LL|      1|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
-  |   LL|      1|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}");
   |   LL|      1|}
   ------------------
    LL|       |
    LL|      0|pub fn unused_generic_function<T: Debug>(arg: T) {
-   LL|      0|    println!("unused_generic_function with {:?}", arg);
+   LL|      0|    println!("unused_generic_function with {arg:?}");
    LL|      0|}
    LL|       |
    LL|      0|pub fn unused_function() {