Bump to version 0.4.2

Author: fitzgen

CHANGELOG.md

@@ -28,6 +28,19 @@ Released YYYY-MM-DD.
 
 --------------------------------------------------------------------------------
 
+## 0.4.2
+
+Released 2020-05-26.
+
+### Changed
+
+* Improved performance of checking for whether `cargo fuzz` is requesting the
+  `std::fmt::Debug` output of an input or not. This is always false during
+  regular fuzzing, so making this check faster should give slightly better
+  fuzzing throughput.
+
+--------------------------------------------------------------------------------
+
 ## 0.4.1
 
 Released 2020-05-13.

Cargo.toml

@@ -6,7 +6,7 @@ license = "MIT/Apache-2.0/NCSA"
 name = "libfuzzer-sys"
 readme = "./README.md"
 repository = "https://github.com/rust-fuzz/libfuzzer"
-version = "0.4.1"
+version = "0.4.2"
 
 [dependencies]
 arbitrary = "1"