Raise required compiler to Rust 1.60

Author: dtolnay

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [nightly, beta, stable, 1.56.0]
+        rust: [nightly, beta, stable, 1.70.0]
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4
@@ -37,14 +37,14 @@ jobs:
       - run: cargo test
 
   msrv:
-    name: Rust 1.46.0
+    name: Rust 1.60.0
     needs: pre_ci
     if: needs.pre_ci.outputs.continue
     runs-on: ubuntu-latest
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.46.0
+      - uses: dtolnay/rust-toolchain@1.60.0
       - run: cargo check
 
   doc:

Cargo.toml

@@ -9,7 +9,7 @@ edition = "2018"
 keywords = ["dyn", "clone", "trait-object", "object-safe"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/dyn-clone"
-rust-version = "1.45"
+rust-version = "1.60"
 
 [dev-dependencies]
 rustversion = "1.0"