diff --git a/lib/core/libimagrt/src/configuration.rs b/lib/core/libimagrt/src/configuration.rs
index c6a45477..62233be9 100644
--- a/lib/core/libimagrt/src/configuration.rs
+++ b/lib/core/libimagrt/src/configuration.rs
@@ -121,10 +121,10 @@ pub fn override_config(val: &mut Value, v: Vec<String>) -> Result<()> {
         .map(|(k, v)| {
             let value = val.read_mut(&k)
                 .context(EM::TomlQueryError)?
-                .ok_or_else(|| Error::from(err_msg("No config value there, cannot override.")))?;
+                .ok_or_else(|| err_msg("No config value there, cannot override."))?;
 
             let new_value = into_value(value, v)
-                .ok_or_else(|| Error::from(err_msg("Config override type not matching")))?;
+                .ok_or_else(|| err_msg("Config override type not matching"))?;
 
             info!("Successfully overridden: {} = {}", k, new_value);
             *value = new_value;
diff --git a/lib/core/libimagrt/src/logger.rs b/lib/core/libimagrt/src/logger.rs
index 468d798b..1f2da580 100644
--- a/lib/core/libimagrt/src/logger.rs
+++ b/lib/core/libimagrt/src/logger.rs
@@ -90,18 +90,18 @@ impl ImagLogger {
 
         {
             use self::log_lvl_aggregate::*;
-            let _ = aggregate::<Trace>(&mut handlebars, config, "TRACE")?;
-            let _ = aggregate::<Debug>(&mut handlebars, config, "DEBUG")?;
-            let _ = aggregate::<Info>(&mut handlebars, config, "INFO")?;
-            let _ = aggregate::<Warn>(&mut handlebars, config, "WARN")?;
-            let _ = aggregate::<Error>(&mut handlebars, config, "ERROR")?;
+            aggregate::<Trace>(&mut handlebars, config, "TRACE")?;
+            aggregate::<Debug>(&mut handlebars, config, "DEBUG")?;
+            aggregate::<Info>(&mut handlebars, config, "INFO")?;
+            aggregate::<Warn>(&mut handlebars, config, "WARN")?;
+            aggregate::<Error>(&mut handlebars, config, "ERROR")?;
         }
 
         Ok(ImagLogger {
             global_loglevel     : aggregate_global_loglevel(matches, config)?,
             global_destinations : aggregate_global_destinations(config)?,
             module_settings     : aggregate_module_settings(matches, config)?,
-            handlebars          : handlebars,
+            handlebars,
         })
     }
 
@@ -171,12 +171,12 @@ impl Log for ImagLogger {
                 if set {
                     module_setting.destinations.as_ref().map(|destinations| for d in destinations {
                         // If there's an error, we cannot do anything, can we?
-                        let _ = log_to_destination(&d);
+                        log_to_destination(&d);
                     });
 
                     for d in self.global_destinations.iter() {
                         // If there's an error, we cannot do anything, can we?
-                        let _ = log_to_destination(&d);
+                        log_to_destination(&d);
                     }
                 }
             })
@@ -185,7 +185,7 @@ impl Log for ImagLogger {
                 // Yes, we log
                 for d in self.global_destinations.iter() {
                     // If there's an error, we cannot do anything, can we?
-                    let _ = log_to_destination(&d);
+                    log_to_destination(&d);
                 }
             }
         });
@@ -199,7 +199,7 @@ fn match_log_level_str(s: &str) -> Result<Level> {
         "info"  => Ok(Level::Info),
         "warn"  => Ok(Level::Warn),
         "error" => Ok(Level::Error),
-        lvl     => return Err(format_err!("Invalid logging level: {}", lvl)),
+        lvl     => Err(format_err!("Invalid logging level: {}", lvl)),
     }
 }
 
@@ -287,7 +287,7 @@ fn aggregate_global_destinations(config: Option<&Value>)
             .as_array()
             .ok_or_else(|| {
                 let msg = "Type error at 'imag.logging.destinations', expected 'Array'";
-                Error::from(err_msg(msg))
+                err_msg(msg)
             })
             .and_then(translate_destinations),
     }
diff --git a/lib/core/libimagrt/src/runtime.rs b/lib/core/libimagrt/src/runtime.rs
index 89b2009d..4bbca09b 100644
--- a/lib/core/libimagrt/src/runtime.rs
+++ b/lib/core/libimagrt/src/runtime.rs
@@ -153,8 +153,8 @@ impl<'a> Runtime<'a> {
         store_result.map(|store| Runtime {
             cli_matches: matches,
             configuration: config,
-            rtp: rtp,
-            store: store,
+            rtp,
+            store,
 
             has_output_pipe,
             has_input_pipe,
@@ -381,10 +381,10 @@ impl<'a> Runtime<'a> {
             .map(String::from)
             .ok_or_else(|| {
                 self.config()
-                    .ok_or_else(|| Error::from(err_msg("No Configuration!")))
+                    .ok_or_else(|| err_msg("No Configuration!"))
                     .and_then(|v| match v.read("rt.editor")? {
                         Some(&Value::String(ref s)) => Ok(Some(s.clone())),
-                        Some(_) => Err(Error::from(err_msg("Type error at 'rt.editor', expected 'String'"))),
+                        Some(_) => Err(err_msg("Type error at 'rt.editor', expected 'String'")),
                         None    => Ok(None),
                     })
             })
@@ -617,7 +617,7 @@ fn get_override_specs(matches: &ArgMatches) -> Vec<String> {
         .map(|values| {
              values
              .filter(|s| {
-                 let b = s.contains("=");
+                 let b = s.contains('=');
                  if !b { warn!("override '{}' does not contain '=' - will be ignored!", s); }
                  b
              })