From 3e14e6e9bd91a3b2c60e99496252833c87f2997c Mon Sep 17 00:00:00 2001
From: Matthew Treinish <mtreinish@kortar.org>
Date: Tue, 1 Nov 2022 10:21:53 -0400
Subject: [PATCH] Set Rust edition to 2021 (#9045)

Since our MSRV for the Rust code in Qiskit is 1.56.1 we can set the Rust
editions [1] to Rust Edition 2021 [2]. This will enable us to leverage
newer syntax features in the rust code. This commit bumps the rust
edition from 2018 to 2021.

[1] https://doc.rust-lang.org/edition-guide/editions/index.html
[2] https://doc.rust-lang.org/edition-guide/rust-2021/index.html

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
---
 Cargo.lock | 16 ++++++++--------
 Cargo.toml |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index acd7d36b4438..6f0e58e46fc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -100,9 +100,9 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "getrandom"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
@@ -157,9 +157,9 @@ checksum = "adab1eaa3408fb7f0c777a73e7465fd5656136fc93b670eb6df3c88c2c1344e3"
 
 [[package]]
 name = "libc"
-version = "0.2.135"
+version = "0.2.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c"
+checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
 
 [[package]]
 name = "libm"
@@ -276,9 +276,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.15.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
+checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
 
 [[package]]
 name = "parking_lot"
@@ -534,9 +534,9 @@ checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
 
 [[package]]
 name = "syn"
-version = "1.0.102"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcd952facd492f9be3ef0d0b7032a6e442ee9b361d4acc2b1d0c4aaa5f613a1"
+checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 2f1a67926db3..50c5d12ef5c8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "qiskit-terra"
 version = "0.23.0"
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html