chore: bump MRSV to 1.81

The reason for the bump is to take advantage of the stabilization of `core::error::Error`, which subsequently removes quite a few `std` feature gates from the codebase.

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
         rust: [
             "stable",
             "nightly",
-            "1.79", # MSRV
+            "1.81", # MSRV
           ]
         flags: [
             # No features
@@ -35,10 +35,10 @@ jobs:
         include:
           # MSRV features
           - os: "ubuntu-latest"
-            rust: "1.79" # MSRV
+            rust: "1.81" # MSRV
             flags: "--features json"
           - os: "windows-latest"
-            rust: "1.79" # MSRV
+            rust: "1.81" # MSRV
             flags: "--features json"
           # All features
           - os: "ubuntu-latest"
@@ -57,10 +57,10 @@ jobs:
           cache-on-failure: true
       # Only run tests on latest stable and above
       - name: build
-        if: ${{ matrix.rust == '1.79' }} # MSRV
+        if: ${{ matrix.rust == '1.81' }} # MSRV
         run: cargo build --workspace ${{ matrix.flags }}
       - name: test
-        if: ${{ matrix.rust != '1.79' }} # MSRV
+        if: ${{ matrix.rust != '1.81' }} # MSRV
         run: cargo test --workspace ${{ matrix.flags }}
 
   miri:

Cargo.toml

@@ -5,7 +5,7 @@ resolver = "2"
 [workspace.package]
 version = "0.8.9"
 edition = "2021"
-rust-version = "1.79"
+rust-version = "1.81"
 authors = ["Alloy Contributors"]
 license = "MIT OR Apache-2.0"
 homepage = "https://github.com/alloy-rs/core"

README.md

@@ -56,7 +56,7 @@ When updating this, also update:
 - .github/workflows/ci.yml
 -->
 
-The current MSRV (minimum supported rust version) is 1.79.
+The current MSRV (minimum supported rust version) is 1.81.
 
 Alloy will keep a rolling MSRV policy of **at least** two versions behind the
 latest stable release (so if the latest stable release is 1.58, we would

clippy.toml

@@ -1 +1 @@
-msrv = "1.79"
+msrv = "1.81"