move to compiletest on crates

Cargo.toml

@@ -10,5 +10,5 @@ authors = [
 name = "clippy"
 crate_type = ["dylib"]
 
-[dev-dependencies.compiletest]
-git = "https://github.com/laumann/compiletest-rs.git"
+[dev-dependencies]
+compiletest_rs = "*"

tests/compile-test.rs

@@ -1,4 +1,4 @@
-extern crate compiletest;
+extern crate compiletest_rs as compiletest;
 
 use std::path::PathBuf;