Raise required compiler to Rust 1.76

Author: dtolnay

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [nightly, beta, stable, 1.70.0]
+        rust: [nightly, beta, stable, 1.76.0]
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v5

Cargo.toml

@@ -10,7 +10,7 @@ exclude = ["build.rs", "screenshots/*"]
 keywords = ["macros", "testing", "dev-dependencies"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/trybuild"
-rust-version = "1.70"
+rust-version = "1.76"
 
 [features]
 # Experimental: highlight the diff between the expected and actual compiler