Bump the toolchain to pick up Armv6 targets.

Author: jonathanpallant

.github/workflows/build.yml

@@ -63,9 +63,9 @@ jobs:
         uses: taiki-e/install-action@just
       - name: Install Rust
         run: |
-          rustup install nightly-2026-01-25
-          rustup component add rust-src --toolchain nightly-2026-01-25
-          rustup default nightly-2026-01-25
+          rustup install nightly-2026-01-26
+          rustup component add rust-src --toolchain nightly-2026-01-26
+          rustup default nightly-2026-01-26
       - name: Build
         run: |
           just build-tier3 ${{ matrix.target }}
@@ -89,9 +89,9 @@ jobs:
         uses: taiki-e/install-action@just
       - name: Install Rust
         run: |
-          rustup install nightly-2026-01-25
-          rustup component add rust-src --toolchain nightly-2026-01-25
-          rustup default nightly-2026-01-25
+          rustup install nightly-2026-01-26
+          rustup component add rust-src --toolchain nightly-2026-01-26
+          rustup default nightly-2026-01-26
       - name: Build
         run: |
           just build-tier3-no-atomics ${{ matrix.target }}

examples/mps3-an536/rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2026-01-25"
+channel = "nightly-2026-01-26"
 targets = [
 	"armv8r-none-eabihf",
 ]

examples/versatileab/rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2026-01-25"
+channel = "nightly-2026-01-26"
 targets = [
 	"armv7r-none-eabi",
 	"armv7r-none-eabihf",