diff --git a/acme_common/src/crypto/openssl_certificate.rs b/acme_common/src/crypto/openssl_certificate.rs
index 3a74164..87a760d 100644
--- a/acme_common/src/crypto/openssl_certificate.rs
+++ b/acme_common/src/crypto/openssl_certificate.rs
@@ -69,7 +69,10 @@ impl X509Certificate {
     pub fn expires_in(&self) -> Result<Duration, Error> {
         let raw_crt = self.inner_cert.to_der()?;
         let (_, crt) = parse_x509_der(&raw_crt).map_err(|_| Error::from("Invalid certificate."))?;
-        crt.tbs_certificate.validity.time_to_expiration().ok_or(Error::from("Invalid certificate validity."))
+        crt.tbs_certificate
+            .validity
+            .time_to_expiration()
+            .ok_or(Error::from("Invalid certificate validity."))
     }
 
     pub fn subject_alt_names(&self) -> HashSet<String> {
diff --git a/acme_common/src/crypto/openssl_keys.rs b/acme_common/src/crypto/openssl_keys.rs
index 535baee..2c066ac 100644
--- a/acme_common/src/crypto/openssl_keys.rs
+++ b/acme_common/src/crypto/openssl_keys.rs
@@ -2,7 +2,7 @@ use crate::b64_encode;
 use crate::crypto::KeyType;
 use crate::error::Error;
 use openssl::bn::{BigNum, BigNumContext};
-use openssl::ec::{EcGroup, EcKey, Asn1Flag};
+use openssl::ec::{Asn1Flag, EcGroup, EcKey};
 use openssl::ecdsa::EcdsaSig;
 use openssl::nid::Nid;
 use openssl::pkey::{Id, PKey, Private};