bench: update to memmap 0.6

Author: BurntSushi

bench/Cargo.toml

@@ -17,7 +17,7 @@ lazy_static = "1"
 libc = "0.2"
 onig = { version = "3", optional = true }
 libpcre-sys = { version = "0.2", optional = true }
-memmap = "0.2"
+memmap = "0.6"
 regex = { version = "0.2.0", path = "..", features = ["simd-accel"] }
 regex-syntax = { version = "0.4.0", path = "../regex-syntax" }
 serde = "1"

bench/src/main.rs

@@ -26,10 +26,11 @@ extern crate serde;
 #[macro_use]
 extern crate serde_derive;
 
+use std::fs::File;
 use std::str;
 
 use docopt::Docopt;
-use memmap::{Mmap, Protection};
+use memmap::Mmap;
 
 mod ffi;
 
@@ -69,8 +70,10 @@ fn main() {
         .and_then(|d| d.deserialize())
         .unwrap_or_else(|e| e.exit());
 
-    let mmap = Mmap::open_path(&args.arg_file, Protection::Read).unwrap();
-    let haystack = unsafe { str::from_utf8_unchecked(mmap.as_slice()) };
+    let mmap = unsafe {
+        Mmap::map(&File::open(&args.arg_file).unwrap()).unwrap()
+    };
+    let haystack = unsafe { str::from_utf8_unchecked(&mmap) };
 
     println!("{}", args.count(&haystack));
 }