Remove most clippy linting exceptions (#617)

src/corners.rs

@@ -318,15 +318,8 @@ fn is_corner_fast9(image: &GrayImage, threshold: u8, x: u32, y: u32) -> bool {
         )
     };
 
-    let above = (p0 > high_thresh && p4 > high_thresh)
-        || (p4 > high_thresh && p8 > high_thresh)
-        || (p8 > high_thresh && p12 > high_thresh)
-        || (p12 > high_thresh && p0 > high_thresh);
-
-    let below = (p0 < low_thresh && p4 < low_thresh)
-        || (p4 < low_thresh && p8 < low_thresh)
-        || (p8 < low_thresh && p12 < low_thresh)
-        || (p12 < low_thresh && p0 < low_thresh);
+    let above = (p12 > high_thresh || p4 > high_thresh) && (p8 > high_thresh || p0 > high_thresh);
+    let below = (p12 < low_thresh || p4 < low_thresh) && (p8 < low_thresh || p0 < low_thresh);
 
     if !above && !below {
         return false;

src/lib.rs

@@ -10,20 +10,7 @@
 #![deny(missing_docs)]
 #![cfg_attr(test, feature(test))]
 #![cfg_attr(docsrs, feature(doc_cfg))]
-#![allow(
-    clippy::cast_lossless,
-    clippy::too_many_arguments,
-    clippy::needless_range_loop,
-    clippy::useless_let_if_seq,
-    clippy::match_wild_err_arm,
-    clippy::needless_doctest_main,
-    clippy::range_plus_one,
-    clippy::trivially_copy_pass_by_ref,
-    clippy::nonminimal_bool,
-    clippy::expect_fun_call,
-    clippy::many_single_char_names,
-    clippy::zero_prefixed_literal
-)]
+#![allow(clippy::zero_prefixed_literal, clippy::needless_range_loop)]
 
 #[cfg(test)]
 extern crate test;

src/suppress.rs

@@ -77,6 +77,7 @@ where
 /// Returns true if the given block contains a larger value than
 /// the input, or contains an equal value with lexicographically
 /// lesser coordinates.
+#[allow(clippy::too_many_arguments)]
 fn contains_greater_value<I, C>(
     image: &I,
     x: u32,

src/utils.rs

@@ -650,7 +650,7 @@ fn colored(s: &str, c: Color) -> String {
 
 /// Loads image at given path, panicking on failure.
 pub fn load_image_or_panic<P: AsRef<Path> + fmt::Debug>(path: P) -> DynamicImage {
-    open(path.as_ref()).expect(&format!("Could not load image at {:?}", path.as_ref()))
+    open(path.as_ref()).unwrap_or_else(|_| panic!("Could not load image at {:?}", path.as_ref()))
 }
 
 /// Gray image to use in benchmarks. This is neither noise nor