Use edition 2018 idioms and warn when they are not followed

This was mostly automated using `cargo fix --edition-idioms`.

2 files changed, 11 insertions, 11 deletions

diff --git a/openssl/src/x509/extension.rs b/openssl/src/x509/extension.rs
index dd4899c8..efe70f2b 100644
--- a/openssl/src/x509/extension.rs
+++ b/openssl/src/x509/extension.rs
@@ -397,7 +397,7 @@ impl SubjectKeyIdentifier {
     }
 
     /// Return a `SubjectKeyIdentifier` extension as an `X509Extension`.
-    pub fn build(&self, ctx: &X509v3Context) -> Result<X509Extension, ErrorStack> {
+    pub fn build(&self, ctx: &X509v3Context<'_>) -> Result<X509Extension, ErrorStack> {
         let mut value = String::new();
         let mut first = true;
         append(&mut value, &mut first, self.critical, "critical");
@@ -449,7 +449,7 @@ impl AuthorityKeyIdentifier {
     }
 
     /// Return a `AuthorityKeyIdentifier` extension as an `X509Extension`.
-    pub fn build(&self, ctx: &X509v3Context) -> Result<X509Extension, ErrorStack> {
+    pub fn build(&self, ctx: &X509v3Context<'_>) -> Result<X509Extension, ErrorStack> {
         let mut value = String::new();
         let mut first = true;
         append(&mut value, &mut first, self.critical, "critical");
@@ -538,7 +538,7 @@ impl SubjectAlternativeName {
     }
 
     /// Return a `SubjectAlternativeName` extension as an `X509Extension`.
-    pub fn build(&self, ctx: &X509v3Context) -> Result<X509Extension, ErrorStack> {
+    pub fn build(&self, ctx: &X509v3Context<'_>) -> Result<X509Extension, ErrorStack> {
         let mut value = String::new();
         let mut first = true;
         append(&mut value, &mut first, self.critical, "critical");
diff --git a/openssl/src/x509/mod.rs b/openssl/src/x509/mod.rs
index ad983fbd..b982be43 100644
--- a/openssl/src/x509/mod.rs
+++ b/openssl/src/x509/mod.rs
@@ -678,7 +678,7 @@ impl Clone for X509 {
 }
 
 impl fmt::Debug for X509 {
-    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
         let serial = match &self.serial_number().to_bn() {
             Ok(bn) => match bn.to_hex_str() {
                 Ok(hex) => hex.to_string(),
@@ -749,7 +749,7 @@ impl X509Extension {
     /// See the extension module for builder types which will construct certain common extensions.
     pub fn new(
         conf: Option<&ConfRef>,
-        context: Option<&X509v3Context>,
+        context: Option<&X509v3Context<'_>>,
         name: &str,
         value: &str,
     ) -> Result<X509Extension, ErrorStack> {
@@ -775,7 +775,7 @@ impl X509Extension {
     /// See the extension module for builder types which will construct certain common extensions.
     pub fn new_nid(
         conf: Option<&ConfRef>,
-        context: Option<&X509v3Context>,
+        context: Option<&X509v3Context<'_>>,
         name: Nid,
         value: &str,
     ) -> Result<X509Extension, ErrorStack> {
@@ -956,7 +956,7 @@ impl X509NameRef {
 }
 
 impl fmt::Debug for X509NameRef {
-    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
         formatter.debug_list().entries(self.entries()).finish()
     }
 }
@@ -1036,7 +1036,7 @@ impl X509NameEntryRef {
 }
 
 impl fmt::Debug for X509NameEntryRef {
-    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
         formatter.write_fmt(format_args!("{:?} = {:?}", self.object(), self.data()))
     }
 }
@@ -1283,7 +1283,7 @@ impl X509ReqRef {
 pub struct X509VerifyResult(c_int);
 
 impl fmt::Debug for X509VerifyResult {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt.debug_struct("X509VerifyResult")
             .field("code", &self.0)
             .field("error", &self.error_string())
@@ -1292,7 +1292,7 @@ impl fmt::Debug for X509VerifyResult {
 }
 
 impl fmt::Display for X509VerifyResult {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt.write_str(self.error_string())
     }
 }
@@ -1397,7 +1397,7 @@ impl GeneralNameRef {
 }
 
 impl fmt::Debug for GeneralNameRef {
-    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
         if let Some(email) = self.email() {
             formatter.write_str(email)
         } else if let Some(dnsname) = self.dnsname() {