chore: Fix clippy warnings

Author: Stranger6667

css-inline/src/error.rs

@@ -48,7 +48,7 @@ impl Display for InlineError {
             Self::Network(error) => error.fmt(f),
             Self::ParseError(error) => f.write_str(error),
             Self::MissingStyleSheet { path } => {
-                f.write_fmt(format_args!("Missing stylesheet file: {}", path))
+                f.write_fmt(format_args!("Missing stylesheet file: {path}"))
             }
         }
     }
@@ -59,11 +59,11 @@ impl From<(ParseError<'_, ()>, &str)> for InlineError {
         return match error.0.kind {
             ParseErrorKind::Basic(kind) => match kind {
                 BasicParseErrorKind::UnexpectedToken(token) => {
-                    Self::ParseError(Cow::Owned(format!("Unexpected token: {:?}", token)))
+                    Self::ParseError(Cow::Owned(format!("Unexpected token: {token:?}")))
                 }
                 BasicParseErrorKind::EndOfInput => Self::ParseError(Cow::Borrowed("End of input")),
                 BasicParseErrorKind::AtRuleInvalid(value) => {
-                    Self::ParseError(Cow::Owned(format!("Invalid @ rule: {}", value)))
+                    Self::ParseError(Cow::Owned(format!("Invalid @ rule: {value}")))
                 }
                 BasicParseErrorKind::AtRuleBodyInvalid => {
                     Self::ParseError(Cow::Borrowed("Invalid @ rule body"))

css-inline/src/main.rs

@@ -130,14 +130,14 @@ fn main() -> Result<(), Box<dyn Error>> {
                 })
                 .for_each(|result| match result {
                     Ok((filename, result)) => match result {
-                        Ok(_) => println!("{}: SUCCESS", filename),
+                        Ok(_) => println!("{filename}: SUCCESS"),
                         Err(error) => {
-                            println!("{}: FAILURE ({})", filename, error);
+                            println!("{filename}: FAILURE ({error})");
                             exit_code.store(1, Ordering::SeqCst);
                         }
                     },
                     Err((filename, error)) => {
-                        println!("{}: FAILURE ({})", filename, error);
+                        println!("{filename}: FAILURE ({error})");
                         exit_code.store(1, Ordering::SeqCst);
                     }
                 });