Skip minimal versions check which breaks MSRV

Author: djc

.github/workflows/rust.yml

@@ -71,8 +71,8 @@ jobs:
     - uses: actions/checkout@v3
     # First run `cargo +nightly -Z minimal-verisons check` in order to get a
     # Cargo.lock with the oldest possible deps
-    - uses: dtolnay/rust-toolchain@nightly
-    - run: cargo -Z minimal-versions check --all-features --lib
+    # - uses: dtolnay/rust-toolchain@nightly
+    # - run: cargo -Z minimal-versions check --all-features --lib
     # Now check that `cargo build` works with respect to the oldest possible
     # deps and the stated MSRV
     - uses: dtolnay/rust-toolchain@1.60.0
@@ -87,4 +87,3 @@ jobs:
 #    - uses: dtolnay/rust-toolchain@nightly
 #    - name: Build default (host native) bench
 #      run: cargo build --benches
-