Maintaining And Upgrading to 2021 edition

.cargo/config.toml

@@ -0,0 +1,2 @@
+[env]
+RUSTFLAGS= { value = "-C target-cpu=native", force = true }

.github/workflows/rust.yml

@@ -0,0 +1,24 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Check
+      run: cargo check
+    - name: Clippy
+      run: cargo clippy
+    - name: Build
+      run: cargo build --release --verbose

.gitignore

@@ -1,3 +1,4 @@
 /target
 /pkg
 /freshfetch.tar.gz
+Cargo.lock