ci: use nightly again for check_fmt_clippy_docs

actions-rs now does the appropriate component fallback for this.

Author: Fishrock123

.github/workflows/ci.yaml

@@ -23,7 +23,7 @@ jobs:
     steps:
     - uses: actions/checkout@master
 
-    - name: Install ${{ matrix.rust }}
+    - name: Install ${{ matrix.rust }} toolchain
       uses: actions-rs/toolchain@v1
       with:
         toolchain: ${{ matrix.rust }}
@@ -53,6 +53,14 @@ jobs:
     steps:
     - uses: actions/checkout@master
 
+    - name: Install nightly toolchain
+      uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: nightly
+        override: true
+        components: clippy, rustfmt
+
     - name: clippy
       run: cargo clippy --workspace --all-targets --features "hyperium_http,unstable" -- -D warnings
 

src/mime/constants.rs

@@ -20,12 +20,23 @@ macro_rules! mime_const {
     };
 
     (with_params, $name:ident, $desc:expr, $base:expr, $sub:expr, $is_utf8:expr, $doccomment:expr) => {
-        mime_const!(doc_expanded, $name, $desc, $base, $sub, $is_utf8,
-             concat!(
+        mime_const!(
+            doc_expanded,
+            $name,
+            $desc,
+            $base,
+            $sub,
+            $is_utf8,
+            concat!(
                 "Content-Type for ",
                 $desc,
                 ".\n\n# Mime Type\n\n```text\n",
-                $base, "/", $sub, $doccomment, "\n```")
+                $base,
+                "/",
+                $sub,
+                $doccomment,
+                "\n```"
+            )
         );
     };