Rust 2018 edition

Author: termoshtt

Cargo.toml

@@ -2,6 +2,7 @@
 name = "intel-mkl-src"
 version = "0.4.0"
 authors = ["Toshiki Teramura <[email protected]>"]
+edition = "2018"
 
 description = "Redistribution of Intel(R) MKL as a crate"
 repository = "https://github.com/termoshtt/rust-intel-mkl"

build.rs

@@ -20,12 +20,6 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
-extern crate failure;
-extern crate pkg_config;
-extern crate reqwest;
-extern crate tar;
-extern crate xz2;
-
 use failure::*;
 use std::{env, fs, io, path::*};