Fix warnings and run cargo fmt

This commit fixes all warnings shown by `cargo check --all-targets`. I
accidentally also ran `cargo fmt` afterwards. Not wanting to redo the
work I have included both changes in this commit.

Author: e00E

examples/proper.rs

@@ -1,12 +1,11 @@
-extern crate slog_stdlog;
+extern crate slog_async;
 extern crate slog_envlogger;
-extern crate slog_term;
 extern crate slog_scope;
-extern crate slog_async;
+extern crate slog_stdlog;
+extern crate slog_term;
 
 /// Import longer-name versions of macros only to not collide with legacy `log`
-#[macro_use(slog_error, slog_info, slog_trace, slog_log, slog_o, slog_record,
-            slog_record_static, slog_b, slog_kv)]
+#[macro_use(slog_error, slog_info, slog_trace, slog_o)]
 extern crate slog;
 
 use slog::Drain;
@@ -15,22 +14,20 @@ use slog::Drain;
 extern crate log;
 
 fn main() {
-    let drain =
-        slog_async::Async::default(
-        slog_envlogger::new(
-        slog_term::CompactFormat::new(
-            slog_term::TermDecorator::new()
-            .stderr().build()
-            ).build().fuse()
-        ));
+    let drain = slog_async::Async::default(slog_envlogger::new(
+        slog_term::CompactFormat::new(slog_term::TermDecorator::new().stderr().build())
+            .build()
+            .fuse(),
+    ));
 
-    let root_logger = slog::Logger::root(drain.fuse(),
-                                         slog_o!("build" => "8jdkj2df", "version" => "0.1.5"));
+    let root_logger = slog::Logger::root(
+        drain.fuse(),
+        slog_o!("build" => "8jdkj2df", "version" => "0.1.5"),
+    );
 
     slog_stdlog::init().unwrap();
 
     slog_scope::scope(&root_logger, || {
-
         slog_error!(root_logger, "slog error");
         error!("log error");
         slog_info!(root_logger, "slog info");

examples/scopes.rs

@@ -1,8 +1,8 @@
-extern crate slog_stdlog;
 extern crate slog_envlogger;
 extern crate slog_scope;
+extern crate slog_stdlog;
 
-#[macro_use(o, kv)]
+#[macro_use(o)]
 extern crate slog;
 
 #[macro_use]
@@ -15,7 +15,7 @@ fn main() {
 
     slog_scope::scope(
         &slog_scope::logger().new(o!("scope-extra-data" => "data")),
-        || foo()
+        foo,
     );
 
     trace!("log trace");
@@ -27,7 +27,7 @@ fn foo() {
     // scopes can be nested!
     slog_scope::scope(
         &slog_scope::logger().new(o!("even-more-scope-extra-data" => "data2")),
-        || bar()
+        bar,
     );
 }
 

examples/simple.rs

@@ -1,5 +1,5 @@
-extern crate slog_stdlog;
 extern crate slog_envlogger;
+extern crate slog_stdlog;
 
 #[macro_use]
 extern crate log;