Fix build warnings and errors on nightly

Cargo.toml

@@ -3,11 +3,12 @@ name = "ecsim"
 version = "0.1.0"
 authors = ["Jeremy Soller <jeremy@system76.com>"]
 edition = "2018"
+license = "MIT"
 
 [dependencies]
 area8051 = { path = "area8051" }
 ctrlc = "3.1.3"
-liner = { git = "https://gitlab.redox-os.org/redox-os/liner.git" }
+redox_liner = { git = "https://gitlab.redox-os.org/redox-os/liner.git" }
 
 [features]
 default = []

examples/pmc.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+
 /// Example of resetting KBC - communicates with running ecsim over socket
 
 use std::io;

examples/support/mod.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+
 use std::io;
 use std::net::UdpSocket;
 

src/cmd/int.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+
 use area8051::Isa;
 
 use crate::Ec;
@@ -8,7 +10,7 @@ pub fn int(ec: &mut Ec, args: &[&str]) {
         return;
     }
 
-    let int = match u8::from_str_radix(&args[0], 10) {
+    let int = match u8::from_str_radix(args[0], 10) {
         Ok(ok) => if ok <= 5 {
             ok
         } else {

src/cmd/kbc.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT
+
 use crate::Ec;
 
 const STATUS_CMD: u8 = 1 << 3;
@@ -15,7 +17,7 @@ pub fn cmd(ec: &mut Ec, args: &[&str]) {
         return;
     }
 
-    let data = match u8::from_str_radix(&args[0], 16) {
+    let data = match u8::from_str_radix(args[0], 16) {
         Ok(ok) => ok,
         Err(err) => {
             eprintln!("argument '{}' failed to parse as hex: {}", args[0], err);
@@ -53,7 +55,7 @@ pub fn write(ec: &mut Ec, args: &[&str]) {
         return;
     }
 
-    let data = match u8::from_str_radix(&args[0], 16) {
+    let data = match u8::from_str_radix(args[0], 16) {
         Ok(ok) => ok,
         Err(err) => {
             eprintln!("argument '{}' failed to parse as hex: {}", args[0], err);

src/cmd/mod.rs

@@ -1,3 +1,7 @@
+// SPDX-License-Identifier: MIT
+
+#![allow(clippy::from_str_radix_10)]
+
 pub mod int;
 pub mod kbc;
 pub mod pmc;