build: list the cached toolchains

Author: auxesis

.github/workflows/test-eql.yml

@@ -73,7 +73,7 @@ jobs:
           echo '# cached toolchains'
           echo '###################################'
           echo
-          /home/runner/.rustup/toolchains/*/bin
+          ls /home/runner/.rustup/toolchains/*/bin
 
           for toolchain in $(rustup toolchain list --quiet); do
             echo