Make sure 1.72 is used by default

.github/workflows/rust.yml

@@ -41,6 +41,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: 1.72
+            default: true
       - name: Cache Cargo
         uses: actions/cache@v3
         with:
@@ -69,6 +70,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: 1.72
+            default: true
       - name: Cache Cargo
         uses: actions/cache@v3
         with:

.github/workflows/test-upstream.yml

@@ -59,6 +59,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: 1.72
+            default: true
       - name: Install x86_64-apple-darwin target
         if: matrix.os == 'macos-latest'
         run: rustup target add x86_64-apple-darwin
@@ -109,6 +110,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: 1.72
+            default: true
       - name: Install dependencies and nothing else
         run: |
           pip install -e . -vv

.github/workflows/test.yml

@@ -81,6 +81,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: 1.72
+            default: true
       - name: Install x86_64-apple-darwin target
         if: matrix.os == 'macos-latest'
         run: rustup target add x86_64-apple-darwin
@@ -129,6 +130,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
             toolchain: 1.72
+            default: true
       - name: Install dependencies and nothing else
         run: |
           pip install -e . -vv

docs/environment.yml

@@ -19,4 +19,4 @@ dependencies:
   - pygments>=2.7.1
   - tabulate
   - ucx-proc=*=cpu
-  - rust>=1.72
+  - rust=1.72