Updating to the latest Rust + dependencies

Cargo.toml

@@ -20,12 +20,13 @@ default = []
 bench = []
 
 [dependencies]
-libc = "0.2.10"
+libc = "0.2.17"
 rustc-serialize = "0.3.19"
-dft = "0.4.3"
-image = "0.9.0"
-num = "0.1.32"
-docopt = "0.6.80"
-flate2 = "0.2.13"
-sha1 = "0.1.1"
-criterion-stats = "0.1.0"
+dft = "0.5.2"
+image = "0.10.3"
+num = "0.1.36"
+docopt = "0.6.86"
+flate2 = "0.2.14"
+sha1 = "0.2.0"
+#criterion = { git = "https://github.com/japaric/criterion.rs" }
+log = "0.3.6"

src/cache.rs

@@ -140,7 +140,7 @@ impl<'a> Cache<'a> {
         let mut sha1 = Sha1::new();
         sha1.update(&buf);
         // Return the hex result of the hash
-        Ok(sha1.hexdigest())
+        Ok(sha1.digest().to_string())
     }
 
     /**

src/main.rs

@@ -114,13 +114,13 @@ fn get_requested_perceptual_hashes<'a>(lib: &pihash::PIHash,
     };
 
     let dhash = if args.flag_dhash || flags_get_all_perceptual_hashes(&args) {
-        lib.get_ahash(&image_path)
+        lib.get_dhash(&image_path)
     } else {
         0u64
     };
 
     let phash = if args.flag_phash || flags_get_all_perceptual_hashes(&args) {
-        lib.get_ahash(&image_path)
+        lib.get_phash(&image_path)
     } else {
         0u64
     };