Bump to MSRV 1.56.0

Author: cuviper

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [1.31.0, stable, beta, nightly]
+        rust: [1.56.0, stable, beta, nightly]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -39,7 +39,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@1.62.0
+      - uses: dtolnay/rust-toolchain@1.70.0
         with:
           components: rustfmt
       - run: cargo fmt --all --check

.github/workflows/master.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [1.31.0, stable]
+        rust: [1.56.0, stable]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master

.github/workflows/pr.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [1.31.0, stable]
+        rust: [1.56.0, stable]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@1.62.0
+      - uses: dtolnay/rust-toolchain@1.70.0
         with:
           components: rustfmt
       - run: cargo fmt --all --check

Cargo.toml

@@ -12,6 +12,7 @@ version = "0.3.3"
 readme = "README.md"
 exclude = ["/bors.toml", "/ci/*", "/.github/*"]
 edition = "2018"
+rust-version = "1.56.0"
 
 [dependencies]
 proc-macro2 = "1"

README.md

@@ -2,7 +2,7 @@
 
 [![crate](https://img.shields.io/crates/v/num-derive.svg)](https://crates.io/crates/num-derive)
 [![documentation](https://docs.rs/num-derive/badge.svg)](https://docs.rs/num-derive)
-[![minimum rustc 1.31](https://img.shields.io/badge/rustc-1.31+-red.svg)](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
+[![minimum rustc 1.56](https://img.shields.io/badge/rustc-1.56+-red.svg)](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
 [![build status](https://github.com/rust-num/num-derive/workflows/master/badge.svg)](https://github.com/rust-num/num-derive/actions)
 
 Procedural macros to derive numeric traits in Rust.
@@ -51,7 +51,7 @@ Release notes are available in [RELEASES.md](RELEASES.md).
 
 ## Compatibility
 
-The `num-derive` crate is tested for rustc 1.31 and greater.
+The `num-derive` crate is tested for rustc 1.56 and greater.
 
 ## License
 

bors.toml

@@ -1,5 +1,5 @@
 status = [
-  "Test (1.31.0)",
+  "Test (1.56.0)",
   "Test (stable)",
   "Test (beta)",
   "Test (nightly)",

ci/rustup.sh

@@ -5,6 +5,6 @@
 set -ex
 
 ci=$(dirname $0)
-for version in 1.31.0 stable beta nightly; do
+for version in 1.56.0 stable beta nightly; do
     rustup run "$version" "$ci/test_full.sh"
 done

ci/test_full.sh

@@ -3,7 +3,7 @@
 set -e
 
 CRATE=num-derive
-MSRV=1.31
+MSRV=1.56
 
 get_rust_version() {
   local array=($(rustc --version));