diff --git a/acmed/src/acmed.rs b/acmed/src/acmed.rs
index fb3e7a1..09eb6fa 100644
--- a/acmed/src/acmed.rs
+++ b/acmed/src/acmed.rs
@@ -1,13 +1,13 @@
-use acme_lib::{Directory, DirectoryUrl};
 use crate::config::{self, Hook};
 use crate::errors::Error;
 use crate::hooks;
 use crate::storage::Storage;
+use acme_lib::{Directory, DirectoryUrl};
 use log::{debug, info, warn};
 use openssl;
 use serde::Serialize;
-use std::{fmt, thread};
 use std::time::Duration;
+use std::{fmt, thread};
 use x509_parser::parse_x509_der;
 
 #[derive(Clone, Debug, PartialEq, PartialOrd, Eq, Ord)]
@@ -220,10 +220,12 @@ impl Certificate {
         let mut raw_crt = vec![];
         let mut raw_pk = vec![];
         if self.kp_reuse {
-            raw_crt = self.storage
+            raw_crt = self
+                .storage
                 .get_certificate(&Format::Der)?
                 .unwrap_or_else(|| vec![]);
-            raw_pk = self.storage
+            raw_pk = self
+                .storage
                 .get_private_key(&Format::Der)?
                 .unwrap_or_else(|| vec![]);
         };
diff --git a/acmed/src/config.rs b/acmed/src/config.rs
index b720562..c137dab 100644
--- a/acmed/src/config.rs
+++ b/acmed/src/config.rs
@@ -3,8 +3,8 @@ use crate::errors::Error;
 use log::info;
 use serde::Deserialize;
 use std::fs::{self, File};
-use std::path::Path;
 use std::io::prelude::*;
+use std::path::Path;
 
 #[derive(Deserialize)]
 pub struct Config {
@@ -266,7 +266,7 @@ impl Certificate {
     }
 }
 
-fn get_hooks(lst: &Vec<String>, cnf: &Config) -> Result<Vec<Hook>, Error> {
+fn get_hooks(lst: &[String], cnf: &Config) -> Result<Vec<Hook>, Error> {
     let mut res = vec![];
     for name in lst.iter() {
         let mut h = cnf.get_hook(&name)?;
diff --git a/acmed/src/encoding.rs b/acmed/src/encoding.rs
index 2243c18..612bd47 100644
--- a/acmed/src/encoding.rs
+++ b/acmed/src/encoding.rs
@@ -1,6 +1,6 @@
-use acme_lib::Error;
-use acme_lib::persist::PersistKind;
 use crate::acmed::Format;
+use acme_lib::persist::PersistKind;
+use acme_lib::Error;
 use log::debug;
 use pem::{encode, Pem};
 
@@ -71,9 +71,9 @@ pub fn convert(
 
 #[cfg(test)]
 mod tests {
-    use acme_lib::persist::PersistKind;
-    use crate::acmed::Format;
     use super::convert;
+    use crate::acmed::Format;
+    use acme_lib::persist::PersistKind;
 
     // Test data generated using:
     //
diff --git a/acmed/src/hooks.rs b/acmed/src/hooks.rs
index 237fc64..4efcc26 100644
--- a/acmed/src/hooks.rs
+++ b/acmed/src/hooks.rs
@@ -20,7 +20,7 @@ macro_rules! get_hook_output {
     }};
 }
 
-pub fn call_multiple<T: Serialize>(data: &T, hooks: &Vec<Hook>) -> Result<(), Error> {
+pub fn call_multiple<T: Serialize>(data: &T, hooks: &[Hook]) -> Result<(), Error> {
     for hook in hooks.iter() {
         call(data, &hook)?;
     }
diff --git a/acmed/src/logs.rs b/acmed/src/logs.rs
index 431c3ab..7e8d9b6 100644
--- a/acmed/src/logs.rs
+++ b/acmed/src/logs.rs
@@ -44,13 +44,13 @@ pub fn set_log_system(
     has_stderr: bool,
 ) -> Result<(LogSystem, LevelFilter), Error> {
     let log_level = get_loglevel(log_level)?;
-    let mut logtype = crate::DEFAULT_LOG_SYSTEM;
-    if has_stderr {
-        logtype = LogSystem::StdErr;
-    }
-    if has_syslog {
-        logtype = LogSystem::SysLog;
-    }
+    let logtype = if has_syslog {
+        LogSystem::SysLog
+    } else if has_stderr {
+        LogSystem::StdErr
+    } else {
+        crate::DEFAULT_LOG_SYSTEM
+    };
     match logtype {
         LogSystem::SysLog => set_log_syslog(log_level)?,
         LogSystem::StdErr => set_log_stderr(log_level)?,
diff --git a/acmed/src/main.rs b/acmed/src/main.rs
index f46dddc..05ae50f 100644
--- a/acmed/src/main.rs
+++ b/acmed/src/main.rs
@@ -61,7 +61,7 @@ fn main() {
             Arg::with_name("foregroung")
                 .short("f")
                 .long("foregroung")
-                .help("Runs in the foregroung")
+                .help("Runs in the foregroung"),
         )
         .arg(
             Arg::with_name("pid-file")
diff --git a/acmed/src/storage.rs b/acmed/src/storage.rs
index 7ba32f0..5abbae9 100644
--- a/acmed/src/storage.rs
+++ b/acmed/src/storage.rs
@@ -1,10 +1,10 @@
-use acme_lib::Error;
-use acme_lib::persist::{Persist, PersistKey, PersistKind};
 use crate::acmed::{Algorithm, Format};
 use crate::config::Hook;
-use crate::errors;
 use crate::encoding::convert;
+use crate::errors;
 use crate::hooks;
+use acme_lib::persist::{Persist, PersistKey, PersistKind};
+use acme_lib::Error;
 use log::debug;
 use serde::Serialize;
 use std::fs::{File, OpenOptions};
@@ -78,25 +78,29 @@ impl Storage {
             }
         };
         let uid = match uid {
-            Some(u) => if u.bytes().all(|b| b.is_ascii_digit()) {
-                let raw_uid = u.parse::<u32>().unwrap();
-                let nix_uid = nix::unistd::Uid::from_raw(raw_uid);
-                Some(nix_uid)
-            } else {
-                // TODO: handle username
-                None
-            },
+            Some(u) => {
+                if u.bytes().all(|b| b.is_ascii_digit()) {
+                    let raw_uid = u.parse::<u32>().unwrap();
+                    let nix_uid = nix::unistd::Uid::from_raw(raw_uid);
+                    Some(nix_uid)
+                } else {
+                    // TODO: handle username
+                    None
+                }
+            }
             None => None,
         };
         let gid = match gid {
-            Some(g) => if g.bytes().all(|b| b.is_ascii_digit()) {
-                let raw_gid = g.parse::<u32>().unwrap();
-                let nix_gid = nix::unistd::Gid::from_raw(raw_gid);
-                Some(nix_gid)
-            } else {
-                // TODO: handle group name
-                None
-            },
+            Some(g) => {
+                if g.bytes().all(|b| b.is_ascii_digit()) {
+                    let raw_gid = g.parse::<u32>().unwrap();
+                    let nix_gid = nix::unistd::Gid::from_raw(raw_gid);
+                    Some(nix_gid)
+                } else {
+                    // TODO: handle group name
+                    None
+                }
+            }
             None => None,
         };
         match nix::unistd::chown(path, uid, gid) {
@@ -122,7 +126,7 @@ impl Storage {
         path.push(&file_name);
         FileData {
             file_directory: base_path.to_string(),
-            file_name: file_name,
+            file_name,
             file_path: path,
         }
     }
@@ -170,13 +174,17 @@ impl Persist for Storage {
             if file_exists {
                 hooks::call_multiple(&file_data, &self.file_pre_edit_hooks).map_err(to_acme_err)?;
             } else {
-                hooks::call_multiple(&file_data, &self.file_pre_create_hooks).map_err(to_acme_err)?;
+                hooks::call_multiple(&file_data, &self.file_pre_create_hooks)
+                    .map_err(to_acme_err)?;
             }
             {
                 let mut f = if cfg!(unix) {
                     let mut options = OpenOptions::new();
                     options.mode(self.get_file_mode(key.kind));
-                    options.write(true).create(true).open(&file_data.file_path)?
+                    options
+                        .write(true)
+                        .create(true)
+                        .open(&file_data.file_path)?
                 } else {
                     File::create(&file_data.file_path)?
                 };
@@ -193,7 +201,8 @@ impl Persist for Storage {
                 self.set_owner(&file_data.file_path, key.kind)?;
             }
             if file_exists {
-                hooks::call_multiple(&file_data, &self.file_post_edit_hooks).map_err(to_acme_err)?;
+                hooks::call_multiple(&file_data, &self.file_post_edit_hooks)
+                    .map_err(to_acme_err)?;
             } else {
                 hooks::call_multiple(&file_data, &self.file_post_create_hooks)
                     .map_err(to_acme_err)?;