Update docs and fix some warnings

Author: GabrielMajeri

.gitignore

@@ -1,2 +1,5 @@
+# Cargo places all built files here.
 /target/
+
+# Libraries should not commit their .lock files.
 Cargo.lock

src/lib.rs

@@ -30,7 +30,8 @@
 
 #![no_std]
 
-#![warn(missing_docs)]
+// Enable some additional warnings and lints.
+#![warn(missing_docs, unused)]
 #![cfg_attr(feature = "cargo-clippy", warn(clippy))]
 
 #[macro_use]

src/proto/console/pointer/mod.rs

@@ -7,7 +7,7 @@ use core::mem;
 pub struct Pointer {
     reset: extern "C" fn(this: &mut Pointer, ext_verif: bool) -> Status,
     get_state: extern "C" fn(this: &Pointer, state: &mut PointerState) -> Status,
-    wait_for_input: usize,
+    _wait_for_input: usize,
     mode: &'static PointerMode,
 }
 

src/proto/debug/mod.rs

@@ -9,6 +9,7 @@
 //!
 //! [udk]: https://firmware.intel.com/develop/intel-uefi-tools-and-utilities/intel-uefi-development-kit-debugger-tool
 
+/// The debugging support protocol allows debuggers to connect to a UEFI machine.
 #[repr(C)]
 pub struct DebugSupport {
     isa: ProcessorArch,

uefi-test-runner/README.md

@@ -3,7 +3,7 @@
 Besides all the requirements for building a UEFI app, you will also need:
 
 - [QEMU](https://www.qemu.org/): the most recent version of QEMU is recommended.
-- [Python 3](https://www.python.org)
+- [Python 3](https://www.python.org): at least version 3.6 is required.
 - [OVMF](https://github.com/tianocore/tianocore.github.io/wiki/OVMF):
   You need to extract `OVMF_CODE.fd` and `OVMF_VARS.fd` to the same directory as the `build.py` file.
   Alternatively, install OVMF using your distro's package manager and change the paths in the script file.