[PATCH 2 of 6] rust-cpython: bump cpython to 0.4 to switch to upstreamed PySharedRef

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1580396489 -32400
#      Fri Jan 31 00:01:29 2020 +0900
# Node ID 50dcc8baffa106c54a4e40bbb563e6ee0c8d40a9
# Parent  60729184896c34715b637ba12759b0518204bdbe
rust-cpython: bump cpython to 0.4 to switch to upstreamed PySharedRef

diff --git a/rust/Cargo.lock b/rust/Cargo.lock
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -51,13 +51,13 @@ dependencies = [
 
 [[package]]
 name = "cpython"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "python27-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "python3-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "python27-sys 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "python3-sys 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -153,7 +153,7 @@ dependencies = [
 name = "hg-cpython"
 version = "0.1.0"
 dependencies = [
- "cpython 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cpython 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hg-core 0.1.0",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -213,7 +213,7 @@ source = "registry+https://github.com/ru
 
 [[package]]
 name = "python27-sys"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -222,7 +222,7 @@ dependencies = [
 
 [[package]]
 name = "python3-sys"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -483,7 +483,7 @@ source = "registry+https://github.com/ru
 "checksum c2-chacha 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "214238caa1bf3a496ec3392968969cab8549f96ff30652c9e56885329315f6bb"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-"checksum cpython 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85532c648315aeb0829ad216a6a29aa3212cf9319bc7f6daf1404aa0bdd1485f"
+"checksum cpython 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "86eab84f48335293c53d06565bcffe4024f7294edaf223e499fda536532e4b55"
 "checksum crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c3aa945d63861bfe624b55d153a39684da1e8c0bc8fba932f7ee3a3c16cea3ca"
 "checksum crossbeam-epoch 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5064ebdbf05ce3cb95e45c8b086f72263f4166b29b97f6baff7ef7fe047b55ac"
 "checksum crossbeam-queue 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c695eeca1e7173472a32221542ae469b3e9aac3a4fc81f7696bcad82029493db"
@@ -500,8 +500,8 @@ source = "registry+https://github.com/ru
 "checksum num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
 "checksum num_cpus 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "46203554f085ff89c235cd12f7075f3233af9b11ed7c9e16dfe2560d03313ce6"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
-"checksum python27-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "372555e88a6bc8109eb641380240dc8d25a128fc48363ec9075664daadffdd5b"
-"checksum python3-sys 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f3a8ebed3f1201fda179f3960609dbbc10cd8c75e9f2afcb03788278f367d8ea"
+"checksum python27-sys 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ecc2dbf296df07aaa029b6f6e03bdd058fe9827cf2f075261839a9dff49ef419"
+"checksum python3-sys 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d296550fff0db9d77bae50fe3ecd5997e4929aadca4444e57b22a4bc3bf24fd3"
 "checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
 "checksum rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 "checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
diff --git a/rust/hg-cpython/Cargo.toml b/rust/hg-cpython/Cargo.toml
--- a/rust/hg-cpython/Cargo.toml
+++ b/rust/hg-cpython/Cargo.toml
@@ -25,5 +25,5 @@ hg-core = { path = "../hg-core" }
 libc = '*'
 
 [dependencies.cpython]
-version = "0.3"
+version = "0.4"
 default-features = false