Apply clippy suggestions

Author: sandorex

src/commands/cmd_start.rs

@@ -406,8 +406,7 @@ asroot chown "$USER:$USER" {0}
         }
 
         // remove pre-init flag to start initalization
-        ctx.engine
-            .exec(id, &vec!["rm", crate::FLAG_FILE_PRE_INIT])?;
+        ctx.engine.exec(id, &["rm", crate::FLAG_FILE_PRE_INIT])?;
 
         log::trace!("Waiting for container initialization");
 

src/commands/cmd_start/util.rs

@@ -80,7 +80,7 @@ pub fn find_terminfo() -> Vec<String> {
     }
 
     // use TERMINFO_DIRS if defined
-    if let Some(env_dirs) = std::env::var("TERMINFO_DIRS").ok() {
+    if let Ok(env_dirs) = std::env::var("TERMINFO_DIRS") {
         log::debug!("Looking for terminfo directories from environment variable");
 
         // filter existing directories

src/config.rs

@@ -30,14 +30,14 @@ impl TryInto<Config> for ConfigFile {
 
     fn try_into(self) -> std::result::Result<Config, Self::Error> {
         match self {
-            Self::V01(x) => Ok(x.try_into()?),
+            Self::V01(x) => Ok(x),
         }
     }
 }
 
 impl ConfigFile {
     pub fn config_from_str(input: &str) -> Result<Config> {
-        Ok(toml::from_str::<ConfigFile>(input)?.try_into()?)
+        toml::from_str::<ConfigFile>(input)?.try_into()
     }
 
     pub fn config_from_file(file: &Path) -> Result<Config> {