maturin: 0.7.9 -> 0.8.0

Changelog:

https://github.com/PyO3/maturin/blob/v0.8.0/Changelog.md#080---2020-04-03

pkgs/development/tools/rust/maturin/Cargo.lock.patch

@@ -0,0 +1,13 @@
+diff --git a/Cargo.lock b/Cargo.lock
+index 09ecb81..c37c646 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -733,7 +733,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
+ 
+ [[package]]
+ name = "maturin"
+-version = "0.8.0-beta.1"
++version = "0.8.0"
+ dependencies = [
+  "base64 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+  "bytesize 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",

pkgs/development/tools/rust/maturin/default.nix

@@ -5,16 +5,21 @@ let
   inherit (darwin.apple_sdk.frameworks) Security;
 in rustPlatform.buildRustPackage rec {
   name = "maturin-${version}";
-  version = "0.7.9";
+  version = "0.8.0";
 
   src = fetchFromGitHub {
     owner = "PyO3";
     repo = "maturin";
     rev = "v${version}";
-    sha256 = "1l8i1mz97zsc8kayvryv6xznwpby9k9jxy7lsx45acs5yksqchrv";
+    sha256 = "1fjai0c0j8zzaj4c186dkbvx6cpj0vi3sc1qbjbgn2cm8azsd6m6";
   };
 
-  cargoSha256 = "0ly0f64acn1hxnj7vg1m860xpl06rklwqh545c386nnxaj839b0r";
+  # The maturin 0.8.0 lockfile has an incorrect version for maturin
+  # itself. The upstream lockfiles are normally correct, so this
+  # should be removed post-0.8.0.
+  cargoPatches = [ ./Cargo.lock.patch ];
+
+  cargoSha256 = "01sh523fi46k5xwdslhnmjz128jkdw47gp9bd8gim3ay13zkcn1i";
 
   nativeBuildInputs = [ pkgconfig ];