Allow unused imports for cargo test

src/bin/test-basic-boot.rs

@@ -2,13 +2,13 @@
 #![feature(const_fn)]
 #![no_std] // don't link the Rust standard library
 #![cfg_attr(not(test), no_main)] // disable all Rust-level entry points
+#![cfg_attr(test, allow(dead_code, unused_macros, unused_imports))]
 
 // add the library as dependency (same crate name as executable)
 #[macro_use]
 extern crate blog_os;
 
 use blog_os::exit_qemu;
-#[cfg(not(test))]
 use core::panic::PanicInfo;
 
 /// This function is the entry point, since the linker looks for a function

src/bin/test-panic.rs

@@ -2,12 +2,12 @@
 #![feature(const_fn)]
 #![no_std]
 #![cfg_attr(not(test), no_main)]
+#![cfg_attr(test, allow(dead_code, unused_macros, unused_imports))]
 
 #[macro_use]
 extern crate blog_os;
 
 use blog_os::exit_qemu;
-#[cfg(not(test))]
 use core::panic::PanicInfo;
 
 #[cfg(not(test))]

src/main.rs

@@ -1,12 +1,11 @@
 #![feature(panic_implementation)] // required for defining the panic handler
 #![no_std] // don't link the Rust standard library
 #![cfg_attr(not(test), no_main)] // disable all Rust-level entry points
-#![cfg_attr(test, allow(dead_code, unused_macros))] // allow unused code in test mode
+#![cfg_attr(test, allow(dead_code, unused_macros, unused_imports))]
 
 #[macro_use]
 extern crate blog_os;
 
-#[cfg(not(test))]
 use core::panic::PanicInfo;
 
 /// This function is the entry point, since the linker looks for a function