Exception with some extra information for end user

3 jobs for supports-y32-with-normalize-param in 1 minute and 5 seconds (queued for 5 seconds)
Name Stage Failure
check_lint Style
Installing collected packages: pyflakes, pycodestyle, mccabe, flake8
Successfully installed flake8-3.9.2 mccabe-0.6.1 pycodestyle-2.7.0 pyflakes-2.3.1
WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
$ git diff -U0 origin/master...$CI_COMMIT_SHA | flake8 --diff
fatal: ambiguous argument 'origin/master...0edc9f46bb72271aa7e5ee3d66e26eaad45715ad': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
Cleaning up file based variables
ERROR: Job failed: exit code 1