Update MSRV to 1.31

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [1.8.0, 1.15.0, 1.20.0, 1.26.0, 1.31.0, stable, beta, nightly]
+        rust: [1.31.0, stable, beta, nightly]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master

.github/workflows/master.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust: [1.8.0, stable]
+        rust: [1.31.0, 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: [1.8.0, stable]
+        rust: [1.31.0, stable]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@master

Cargo.toml

@@ -13,6 +13,7 @@ readme = "README.md"
 build = "build.rs"
 exclude = ["/bors.toml", "/ci/*", "/.github/*"]
 edition = "2018"
+rust-version = "1.31"
 
 [package.metadata.docs.rs]
 features = ["std"]

README.md

@@ -2,7 +2,7 @@
 
 [![crate](https://img.shields.io/crates/v/num-traits.svg)](https://crates.io/crates/num-traits)
 [![documentation](https://docs.rs/num-traits/badge.svg)](https://docs.rs/num-traits)
-[![minimum rustc 1.8](https://img.shields.io/badge/rustc-1.8+-red.svg)](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
+[![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)
 [![build status](https://github.com/rust-num/num-traits/workflows/master/badge.svg)](https://github.com/rust-num/num-traits/actions)
 
 Numeric traits for generic mathematics in Rust.
@@ -45,7 +45,7 @@ Release notes are available in [RELEASES.md](RELEASES.md).
 
 ## Compatibility
 
-The `num-traits` crate is tested for rustc 1.8 and greater.
+The `num-traits` crate is tested for rustc 1.31 and greater.
 
 ## License
 

bors.toml

@@ -1,8 +1,4 @@
 status = [
-  "Test (1.8.0)",
-  "Test (1.15.0)",
-  "Test (1.20.0)",
-  "Test (1.26.0)",
   "Test (1.31.0)",
   "Test (stable)",
   "Test (beta)",

ci/rustup.sh

@@ -5,6 +5,6 @@
 set -ex
 
 ci=$(dirname $0)
-for version in 1.8.0 1.15.0 1.20.0 1.26.0 1.31.0 stable beta nightly; do
+for version in 1.31.0 stable beta nightly; do
     rustup run "$version" "$ci/test_full.sh"
 done

ci/test_full.sh

@@ -3,7 +3,7 @@
 set -e
 
 CRATE=num-traits
-MSRV=1.8
+MSRV=1.31
 
 get_rust_version() {
   local array=($(rustc --version));

src/lib.rs

@@ -12,7 +12,7 @@
 //!
 //! ## Compatibility
 //!
-//! The `num-traits` crate is tested for rustc 1.8 and greater.
+//! The `num-traits` crate is tested for rustc 1.31 and greater.
 
 #![doc(html_root_url = "https://docs.rs/num-traits/0.2")]
 #![deny(unconditional_recursion)]