diff --git a/acmed/src/acme_proto.rs b/acmed/src/acme_proto.rs
index 8e471ac..cd680af 100644
--- a/acmed/src/acme_proto.rs
+++ b/acmed/src/acme_proto.rs
@@ -177,6 +177,9 @@ pub fn request_certificate(
     let crt = http::get_certificate(endpoint, root_certs, &data_builder, &crt_url)?;
     storage::write_certificate(cert, &crt.as_bytes())?;
 
-    cert.info(&format!("Certificate renewed (domains: {})", cert.domain_list()));
+    cert.info(&format!(
+        "Certificate renewed (domains: {})",
+        cert.domain_list()
+    ));
     Ok(())
 }
diff --git a/acmed/src/certificate.rs b/acmed/src/certificate.rs
index 29f2d28..100dfe5 100644
--- a/acmed/src/certificate.rs
+++ b/acmed/src/certificate.rs
@@ -102,7 +102,10 @@ impl Certificate {
 
     fn is_expiring(&self, cert: &X509Certificate) -> Result<bool, Error> {
         let expires_in = cert.expires_in()?;
-        self.debug(&format!("Certificate expires in {} days", expires_in.as_secs() / 86400));
+        self.debug(&format!(
+            "Certificate expires in {} days",
+            expires_in.as_secs() / 86400
+        ));
         // TODO: allow a custom duration (using time-parse ?)
         // 1814400 is 3 weeks (3 * 7 * 24 * 60 * 60)
         let renewal_time = Duration::new(1_814_400, 0);
@@ -141,7 +144,10 @@ impl Certificate {
     }
 
     pub fn should_renew(&self) -> Result<bool, Error> {
-        self.debug(&format!("Checking for renewal (domains: {})", self.domain_list()));
+        self.debug(&format!(
+            "Checking for renewal (domains: {})",
+            self.domain_list()
+        ));
         if !certificate_files_exists(&self) {
             self.debug("certificate does not exist: requesting one");
             return Ok(true);
diff --git a/acmed/src/endpoint.rs b/acmed/src/endpoint.rs
index c5d97fd..ce7bc4a 100644
--- a/acmed/src/endpoint.rs
+++ b/acmed/src/endpoint.rs
@@ -20,7 +20,12 @@ pub struct Endpoint {
 }
 
 impl Endpoint {
-    pub fn new(name: &str, url: &str, tos_agreed: bool, limits: &[(usize, String)]) -> Result<Self, Error> {
+    pub fn new(
+        name: &str,
+        url: &str,
+        tos_agreed: bool,
+        limits: &[(usize, String)],
+    ) -> Result<Self, Error> {
         let rl = RateLimit::new(limits)?;
         Ok(Self {
             name: name.to_string(),
@@ -99,7 +104,11 @@ impl RateLimit {
     fn request_allowed(&self) -> bool {
         for (max_allowed, duration) in self.limits.iter() {
             let max_date = Instant::now() - *duration;
-            let nb_req = self.query_log.iter().filter(move |x| **x > max_date).count();
+            let nb_req = self
+                .query_log
+                .iter()
+                .filter(move |x| **x > max_date)
+                .count();
             if nb_req >= *max_allowed {
                 return false;
             }