Add inline formatting tests

Author: smoelius

tests/ui/unnecessary_os_str_debug_formatting.rs

@@ -15,6 +15,9 @@ fn main() {
     println!("{:?}", os_str); //~ unnecessary_debug_formatting
     println!("{:?}", os_string); //~ unnecessary_debug_formatting
 
+    println!("{os_str:?}"); //~ unnecessary_debug_formatting
+    println!("{os_string:?}"); //~ unnecessary_debug_formatting
+
     let _: String = format!("{:?}", os_str); //~ unnecessary_debug_formatting
     let _: String = format!("{:?}", os_string); //~ unnecessary_debug_formatting
 }

tests/ui/unnecessary_os_str_debug_formatting.stderr

@@ -16,21 +16,37 @@ LL |     println!("{:?}", os_string);
    |
    = help: use `Display` formatting and change this to `os_string.display()`
 
+error: unnecessary `Debug` formatting in `println!` args
+  --> tests/ui/unnecessary_os_str_debug_formatting.rs:18:16
+   |
+LL |     println!("{os_str:?}");
+   |                ^^^^^^
+   |
+   = help: use `Display` formatting and change this to `os_str.display()`
+
+error: unnecessary `Debug` formatting in `println!` args
+  --> tests/ui/unnecessary_os_str_debug_formatting.rs:19:16
+   |
+LL |     println!("{os_string:?}");
+   |                ^^^^^^^^^
+   |
+   = help: use `Display` formatting and change this to `os_string.display()`
+
 error: unnecessary `Debug` formatting in `format!` args
-  --> tests/ui/unnecessary_os_str_debug_formatting.rs:18:37
+  --> tests/ui/unnecessary_os_str_debug_formatting.rs:21:37
    |
 LL |     let _: String = format!("{:?}", os_str);
    |                                     ^^^^^^
    |
    = help: use `Display` formatting and change this to `os_str.display()`
 
 error: unnecessary `Debug` formatting in `format!` args
-  --> tests/ui/unnecessary_os_str_debug_formatting.rs:19:37
+  --> tests/ui/unnecessary_os_str_debug_formatting.rs:22:37
    |
 LL |     let _: String = format!("{:?}", os_string);
    |                                     ^^^^^^^^^
    |
    = help: use `Display` formatting and change this to `os_string.display()`
 
-error: aborting due to 4 previous errors
+error: aborting due to 6 previous errors
 

tests/ui/unnecessary_path_debug_formatting.rs

@@ -33,6 +33,9 @@ fn main() {
     println!("{:?}", path); //~ unnecessary_debug_formatting
     println!("{:?}", path_buf); //~ unnecessary_debug_formatting
 
+    println!("{path:?}"); //~ unnecessary_debug_formatting
+    println!("{path_buf:?}"); //~ unnecessary_debug_formatting
+
     let _: String = format!("{:?}", path); //~ unnecessary_debug_formatting
     let _: String = format!("{:?}", path_buf); //~ unnecessary_debug_formatting
 

tests/ui/unnecessary_path_debug_formatting.stderr

@@ -16,29 +16,45 @@ LL |     println!("{:?}", path_buf);
    |
    = help: use `Display` formatting and change this to `path_buf.display()`
 
+error: unnecessary `Debug` formatting in `println!` args
+  --> tests/ui/unnecessary_path_debug_formatting.rs:36:16
+   |
+LL |     println!("{path:?}");
+   |                ^^^^
+   |
+   = help: use `Display` formatting and change this to `path.display()`
+
+error: unnecessary `Debug` formatting in `println!` args
+  --> tests/ui/unnecessary_path_debug_formatting.rs:37:16
+   |
+LL |     println!("{path_buf:?}");
+   |                ^^^^^^^^
+   |
+   = help: use `Display` formatting and change this to `path_buf.display()`
+
 error: unnecessary `Debug` formatting in `format!` args
-  --> tests/ui/unnecessary_path_debug_formatting.rs:36:37
+  --> tests/ui/unnecessary_path_debug_formatting.rs:39:37
    |
 LL |     let _: String = format!("{:?}", path);
    |                                     ^^^^
    |
    = help: use `Display` formatting and change this to `path.display()`
 
 error: unnecessary `Debug` formatting in `format!` args
-  --> tests/ui/unnecessary_path_debug_formatting.rs:37:37
+  --> tests/ui/unnecessary_path_debug_formatting.rs:40:37
    |
 LL |     let _: String = format!("{:?}", path_buf);
    |                                     ^^^^^^^^
    |
    = help: use `Display` formatting and change this to `path_buf.display()`
 
 error: unnecessary `Debug` formatting in `println!` args
-  --> tests/ui/unnecessary_path_debug_formatting.rs:40:22
+  --> tests/ui/unnecessary_path_debug_formatting.rs:43:22
    |
 LL |     println!("{:?}", &*deref_path);
    |                      ^^^^^^^^^^^^
    |
    = help: use `Display` formatting and change this to `&*deref_path.display()`
 
-error: aborting due to 5 previous errors
+error: aborting due to 7 previous errors