fix: update MSRV version

.changelog/unreleased/breaking-changes/1382-update-msrv.md

@@ -0,0 +1,2 @@
+- [ibc] Update MSRV to `1.79.0`.
+  ([\#1382](https://github.com/cosmos/ibc-rs/issues/1382))

.github/workflows/rust.yaml

@@ -106,46 +106,32 @@ jobs:
       - name: Run cargo test
         run: make test
 
-  test-msrv:
-    name: Test MSRV for `ibc` libraries
+  rust-version:
+    name: Check Rust version for `ibc` libraries
     timeout-minutes: 30
-    env:
-      CARGO_MSRV_VERSION: 0.16.3
-      MSRV: 1.75.0
     strategy:
       matrix:
-        param:
-          [
-            { os: ubuntu-latest, system: unknown-linux-gnu },
-            { os: macos-latest, system: apple-darwin },
-          ]
-    runs-on: ${{ matrix.param.os }}
+        os:
+          - ubuntu-latest
+          - macos-latest
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-
-      - name: Download cargo-msrv
-        uses: dsaltares/fetch-gh-release-asset@master
-        with:
-          repo: foresterre/cargo-msrv
-          version: "tags/v${{ env.CARGO_MSRV_VERSION }}"
-          file: "cargo-msrv-x86_64-${{ matrix.param.system }}-v${{ env.CARGO_MSRV_VERSION }}.tgz"
-
       - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: taiki-e/install-action@v2
         with:
-          toolchain: ${{ env.MSRV }}
+          tool: cargo-hack,cargo-binstall,cargo-nextest
 
       - name: Install cargo-msrv
-        run: |
-          tar -xzf "cargo-msrv-x86_64-${{ matrix.param.system }}-v${{ env.CARGO_MSRV_VERSION }}.tgz"
-          mv "cargo-msrv-x86_64-${{ matrix.param.system }}-v${{ env.CARGO_MSRV_VERSION }}/cargo-msrv" ~/.cargo/bin
-          cargo msrv --version
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: cargo binstall --no-confirm cargo-msrv
 
-      - name: Calculate MSRV
-        run: cargo msrv find --output-format minimal --min 1.68.0
+      - name: Verify and Test Rust version
+        run: |
+          cargo hack msrv verify --output-format=minimal --all-features
+          cargo hack --rust-version nextest run --all-targets --all-features --no-tests=pass
 
-      - name: Build with MSRV
-        uses: actions-rs/cargo@v1
-        with:
-          toolchain: ${{ env.MSRV }}
-          command: build
-          args: --all-features
+      - name: Find MSRV
+        if: ${{ failure() }}
+        run: cargo hack msrv find --min=1.75 --output-format=minimal --all-features

Cargo.toml

@@ -47,7 +47,7 @@ exclude = [
 version      = "0.56.0"
 license      = "Apache-2.0"
 edition      = "2021"
-rust-version = "1.75.0"
+rust-version = "1.79.0"
 readme       = "README.md"
 repository   = "https://github.com/cosmos/ibc-rs"
 authors      = [ "Informal Systems <[email protected]>" ]