Bump minimum required version to 1.24

#40

.travis.yml

@@ -12,10 +12,10 @@ matrix:
 
     # Minimum Rust supported channel.
     - os: linux
-      rust: 1.22.1
+      rust: 1.24.0
       env: TARGET=x86_64-unknown-linux-gnu
     - os: osx
-      rust: 1.22.1
+      rust: 1.24.0
       env: TARGET=x86_64-apple-darwin
 
 addons:

README.md

@@ -37,7 +37,7 @@ makepkg -si
 
 ### From source
 
-If you want to build to compile `bat` from source, you need Rust 1.22 or higher.
+If you want to build to compile `bat` from source, you need Rust 1.24 or higher.
 You can then use `cargo` to build everything:
 
 ``` bash