style: Make clippy happy

Author: epage

src/assert.rs

@@ -56,7 +56,7 @@ impl OutputAssertExt for process::Output {
     }
 }
 
-impl<'c> OutputAssertExt for &'c mut process::Command {
+impl OutputAssertExt for &mut process::Command {
     fn assert(self) -> Assert {
         let output = match self.output() {
             Ok(output) => output,

src/cmd.rs

@@ -604,7 +604,7 @@ impl From<process::Command> for Command {
     }
 }
 
-impl<'c> OutputOkExt for &'c mut Command {
+impl OutputOkExt for &mut Command {
     fn ok(self) -> OutputResult {
         let output = self.output().map_err(OutputError::with_cause)?;
         if output.status.success() {
@@ -643,7 +643,7 @@ impl<'c> OutputOkExt for &'c mut Command {
     }
 }
 
-impl<'c> OutputAssertExt for &'c mut Command {
+impl OutputAssertExt for &mut Command {
     fn assert(self) -> Assert {
         let output = match self.output() {
             Ok(output) => output,

src/output.rs

@@ -103,7 +103,7 @@ impl OutputOkExt for process::Output {
     }
 }
 
-impl<'c> OutputOkExt for &'c mut process::Command {
+impl OutputOkExt for &mut process::Command {
     fn ok(self) -> OutputResult {
         let output = self.output().map_err(OutputError::with_cause)?;
         if output.status.success() {
@@ -318,7 +318,7 @@ impl<'a> DebugBytes<'a> {
     }
 }
 
-impl<'a> fmt::Display for DebugBytes<'a> {
+impl fmt::Display for DebugBytes<'_> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         format_bytes(self.bytes, f)
     }