Merge pull request #69 from stepchowfun/rust-v1.52.1

Upgrade Rust to v1.52.1

Author: stepchowfun

toast.yml

@@ -31,7 +31,7 @@ tasks:
     command: |
       set -euo pipefail
       curl https://sh.rustup.rs -sSf |
-        sh -s -- -y --default-toolchain 1.50.0
+        sh -s -- -y --default-toolchain 1.52.1
       . $HOME/.cargo/env
       rustup component add clippy
       rustup component add rustfmt