starting to build
validating task parameters
validation of build task passed
cloning code source from repo chixun/happyshow on branch:master
Cloning into '/tmp/tmpfrTOR1'...
Warning: Permanently added the ECDSA host key for IP address '18.104.22.168' to the list of known hosts.
successfully downloaded code source.
the HEAD commit is cb543cb6806a348948134f2aa5182ad2fb9a252c
checking user access on FROM image
failed to open /tmp/tmpfrTOR1/happy/Dockerfile. Please check if Dockerfile exists in the code
build failed! error: build failed at step verify_parent_image_access