Init gitlab ci

1 job for ci-integration in 20 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #12662
docker
Upload

00:00:20

 
Name Stage Failure
failed
Upload Build There is an unknown failure, please try again
      creating build/temp.linux-x86_64-3.7/c
gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -DTHREAD_STACK_SIZE=0x100000 -fPIC -I/usr/include/ffi -I/usr/include/libffi -I/usr/local/include/python3.7m -c c/_cffi_backend.c -o build/temp.linux-x86_64-3.7/c/_cffi_backend.o
unable to execute 'gcc': No such file or directory
error: command 'gcc' failed with exit status 1
----------------------------------------
ERROR: Command errored out with exit status 1: /usr/local/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-pyqyjjzy/cffi/setup.py'"'"'; __file__='"'"'/tmp/pip-install-pyqyjjzy/cffi/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-49jllxvo/install-record.txt --single-version-externally-managed --prefix /tmp/pip-build-env-u3ojd03b/overlay --compile --install-headers /tmp/pip-build-env-u3ojd03b/overlay/include/python3.7m/cffi Check the logs for full command output.
----------------------------------------
ERROR: Command errored out with exit status 1: /usr/local/bin/python /usr/local/lib/python3.7/site-packages/pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-u3ojd03b/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.6.0' wheel 'cffi>=1.8,!=1.11.3; platform_python_implementation != '"'"'PyPy'"'"'' Check the logs for full command output.
ERROR: Job failed: exit code 1