fixed some smaller errors and warnings (#71)

Author: robamu

.cargo/config renamed to .cargo/config.toml

@@ -20,4 +20,4 @@ rustflags = [
 # target = "x86_64-pc-windows-gnu" # Windows GNU Toolchain
 # target = "x86_64-pc-windows-msvc" # Windows MSVC Toolchain (no debugging)
 # target = "thumbv7m-none-eabi"    # Cortex-M3
-# target = "thumbv7em-none-eabihf" # Cortex-M4
+# target = "thumbv7em-none-eabihf" # Cortex-M4

freertos-rust-examples/build.rs

@@ -41,7 +41,8 @@ fn main() {
         copy(
             "examples/stm32-cortex-m3/memory.x",
             PathBuf::from(out_dir.as_str()).join("memory.x"),
-        ).unwrap();
+        )
+        .unwrap();
     }
     if target == "thumbv7em-none-eabihf" {
         b.freertos_config("examples/stm32-cortex-m4-blackpill");
@@ -56,10 +57,11 @@ fn main() {
         copy(
             "examples/nrf9160/memory.x",
             PathBuf::from(out_dir.as_str()).join("memory.x"),
-        ).unwrap();
+        )
+        .unwrap();
     }
 
-    b.compile().unwrap_or_else(|e| { panic!(e.to_string()) });
+    b.compile().unwrap_or_else(|e| panic!("{}", e));
 }
 
 /// Print relevant environment variables

freertos-rust-examples/examples/linux/main.rs

@@ -29,6 +29,7 @@ fn main() {
     // println!("Free Memory: {}!", free);
     println!("Starting scheduler");
     FreeRtosUtils::start_scheduler();
+    #[allow(unreachable_code)]
     loop {
         println!("Loop forever!");
     }