manual fixes

src/hello-world/src/main.rs

@@ -20,7 +20,7 @@ fn main() -> ! {
     writeln!(stdout, "Start").unwrap();
     if let Some(p) = microbit::Peripherals::take() {
         // Split GPIO
-        let mut gpio = p.GPIO.split();
+        let gpio = p.GPIO.split();
         // Configure RX and TX pins accordingly
         let tx = gpio.pin24.into_push_pull_output().downgrade();
         let rx = gpio.pin25.into_floating_input().downgrade();

src/microbit/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
-name = "microbit"
-version = "0.1.0"
+name = "micro"
+version = "0.2.0"
 
 [dependencies]
 cortex-m-rt="~0.6"
 cortex-m-semihosting="~0.3"
 panic-halt = "~0.2"
 panic-semihosting = "~0.5"
-microbit="~0.7"
+microbit="~0.8"

src/serial/src/main.rs

@@ -13,7 +13,7 @@ use sh::hio;
 use microbit::hal::prelude::*;
 use microbit::hal::serial;
 use microbit::hal::serial::BAUD115200;
-use microbit::nb::block;
+use microbit::hal::nb::block;
 
 #[entry]
 fn main() -> ! {