Raise required compiler to Rust 1.77

Author: dtolnay

.github/workflows/ci.yml

@@ -49,14 +49,14 @@ jobs:
         continue-on-error: true
 
   msrv:
-    name: Rust 1.74.0
+    name: Rust 1.77.0
     needs: pre_ci
     if: needs.pre_ci.outputs.continue
     runs-on: ubuntu-latest
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v7
-      - uses: dtolnay/rust-toolchain@1.74.0
+      - uses: dtolnay/rust-toolchain@1.77.0
         with:
           components: rust-src
       - run: cargo check

Cargo.toml

@@ -9,7 +9,7 @@ edition = "2021"
 keywords = ["error", "error-handling", "derive"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/thiserror"
-rust-version = "1.74"
+rust-version = "1.77"
 
 [features]
 default = ["std"]

impl/Cargo.toml

@@ -6,7 +6,7 @@ description = "Implementation detail of the `thiserror` crate"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/dtolnay/thiserror"
-rust-version = "1.74"
+rust-version = "1.77"
 
 [lib]
 proc-macro = true