Dockerfile.xrootd:13 DL3033 warning: Specify version with `yum install -y <package>-<version>`. Dockerfile.xrootd:14 DL3032 warning: `yum clean all` missing after yum command. Dockerfile.xrootd:14 DL3033 warning: Specify version with `yum install -y <package>-<version>`. Dockerfile.xrootd:15 DL3013 warning: Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>` or `pip install --requirement <requirements file>` Dockerfile.xrootd:15 DL3042 warning: Avoid use of cache directory with pip. Use `pip install --no-cache-dir <package>` Dockerfile.xrootd:16 DL3013 warning: Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>` or `pip install --requirement <requirements file>` Dockerfile.xrootd:16 DL3042 warning: Avoid use of cache directory with pip. Use `pip install --no-cache-dir <package>` Cleaning up file based variables ERROR: Job failed: exit code 1