Get rid of pretty msrv logging as it can't all be displayed

.github/workflows/rust.yml

@@ -134,7 +134,7 @@ jobs:
           find . -name Cargo.toml | while read -r dir
           do
             echo "Checking package '$dir'"
-            cargo msrv --log-target stdout verify --manifest-path "$dir" || exit 1
+            cargo msrv verify --manifest-path "$dir" || exit 1
           done
       # If no packages are using the workspace's rust-version, then it's out of date
       - name: Verify workspace rust-version is used