Generate rust toolchain file (#1401)

* Generate rust toolchain file
* Make track "stable" channel
* CD workflow override rust toolchain file

.github/workflows/cd.yml

@@ -25,6 +25,7 @@ jobs:
       with:
         toolchain: stable
         profile: minimal
+        override: true
         components: clippy
 
     - name: Build

.github/workflows/ci.yml

@@ -45,6 +45,7 @@ jobs:
       with:
         toolchain: ${{ matrix.rust }}
         default: true
+        override: true
         profile: minimal
         components: clippy
 
@@ -100,6 +101,7 @@ jobs:
         toolchain: ${{ matrix.rust }}
         profile: minimal
         default: true
+        override: true
         target: x86_64-unknown-linux-musl
 
     - name: Setup MUSL
@@ -127,6 +129,7 @@ jobs:
       uses: actions-rs/toolchain@v1
       with:
         toolchain: stable
+        override: true
         components: rustfmt
 
     - run: cargo fmt -- --check
@@ -170,4 +173,4 @@ jobs:
     - uses: actions/upload-artifact@v1
       with:
         name: release-notes.txt
-        path: ./release-notes.txt
+        path: ./release-notes.txt

rust-toolchain.toml

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+profile = "default"