Bump msrv

alexcrichton · alexcrichton · commit 52ce0f52b244 · 2021-01-21T08:14:47.000-08:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -203,7 +203,7 @@ jobs:
       with:
         submodules: true
     - name: Install Rust
-      run: rustup update 1.40.0 && rustup default 1.40.0
+      run: rustup update 1.42.0 && rustup default 1.42.0
     - run: cargo build
 
   miri:
