diff --git a/opensmtpd-derive/src/lib.rs b/opensmtpd-derive/src/lib.rs
index 00dec74..72999d1 100644
--- a/opensmtpd-derive/src/lib.rs
+++ b/opensmtpd-derive/src/lib.rs
@@ -9,8 +9,8 @@
 extern crate proc_macro;
 
 use proc_macro::TokenStream;
-use syn::{parse_macro_input, ItemFn};
 use quote::quote;
+use syn::{parse_macro_input, ItemFn};
 
 fn get_type(
     params: &syn::punctuated::Punctuated<syn::FnArg, syn::token::Comma>,
@@ -23,7 +23,7 @@ fn get_type(
                 },
             }));
             let cb = syn::Type::Verbatim(syn::TypeVerbatim {
-                tts: quote!{ opensmtpd::Callback::NoCtx },
+                tts: quote! { opensmtpd::Callback::NoCtx },
             });
             Ok((ctx, cb))
         }
@@ -32,10 +32,10 @@ fn get_type(
                 syn::Type::Reference(r) => {
                     let cb = match r.mutability {
                         Some(_) => syn::Type::Verbatim(syn::TypeVerbatim {
-                            tts: quote!{ opensmtpd::Callback::CtxMut },
+                            tts: quote! { opensmtpd::Callback::CtxMut },
                         }),
                         None => syn::Type::Verbatim(syn::TypeVerbatim {
-                            tts: quote!{ opensmtpd::Callback::Ctx },
+                            tts: quote! { opensmtpd::Callback::Ctx },
                         }),
                     };
                     Ok((r.elem.clone(), cb))
diff --git a/opensmtpd/src/entry.rs b/opensmtpd/src/entry.rs
index 60bf1e7..c4e0372 100644
--- a/opensmtpd/src/entry.rs
+++ b/opensmtpd/src/entry.rs
@@ -7,8 +7,10 @@
 // except according to those terms.
 
 use crate::errors::Error;
-use nom::{alt, alt_complete, call, complete, cond, do_parse, error_position, map_res, named, opt,
-          tag, take_until, take_while};
+use nom::{
+    alt, alt_complete, call, complete, cond, do_parse, error_position, map_res, named, opt, tag,
+    take_until, take_while,
+};
 use std::str::FromStr;
 
 #[derive(Clone, Debug, PartialEq)]
@@ -46,7 +48,8 @@ impl FromStr for Event {
     type Err = Error;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let s = s.to_lowercase()
+        let s = s
+            .to_lowercase()
             .replace("link", "link-")
             .replace("tx", "tx-")
             .replace("protocol", "protocol-")
diff --git a/opensmtpd/src/event_handlers.rs b/opensmtpd/src/event_handlers.rs
index c8c0477..361eb97 100644
--- a/opensmtpd/src/event_handlers.rs
+++ b/opensmtpd/src/event_handlers.rs
@@ -35,9 +35,11 @@ fn get_events_from_string(event_str: &str) -> MatchEvent {
             "Any" | "All" => {
                 return MatchEvent::All;
             }
-            _ => if let Ok(e) = Event::from_str(name) {
-                events.push(e);
-            },
+            _ => {
+                if let Ok(e) = Event::from_str(name) {
+                    events.push(e);
+                }
+            }
         }
     }
     MatchEvent::Evt(events)
diff --git a/opensmtpd/src/lib.rs b/opensmtpd/src/lib.rs
index 4d307e3..9588439 100644
--- a/opensmtpd/src/lib.rs
+++ b/opensmtpd/src/lib.rs
@@ -89,9 +89,11 @@ impl<T: Clone + Default + 'static> SmtpIn<T> {
         let mut evts = Vec::new();
         for eh in self.event_handlers.iter() {
             match eh.event {
-                MatchEvent::Evt(ref v) => for e in v.iter() {
-                    evts.push(e);
-                },
+                MatchEvent::Evt(ref v) => {
+                    for e in v.iter() {
+                        evts.push(e);
+                    }
+                }
                 MatchEvent::All => {
                     println!("register|report|smtp-in|*");
                     evts.clear();