Fail to build test repository due too many open files

[rgaiacs]

repo2docker failed to build https://github.com/gesiscss/orc2-test-build.

What is the current bug behavior?

Waiting for build to start...
Picked Git content provider.
Cloning into '/tmp/repo2docker4np30dll'...
HEAD is now at dfd0418 Create main.txt
failed to create fsnotify watcher: too many open files

What is the expected correct behavior?

repo2docker build container successfuly.

Steps to reproduce

1. Visit https://notebooks.gesis.org/binder/
2. Fill URL with https://github.com/gesiscss/orc2-test-build
3. Click launch

Reproducible at mybinder.org

1. Visit https://mybinder.org/
2. Fill URL with https://github.com/gesiscss/orc2-test-build
3. Click launch

resulted in no issue.

[rgaiacs]

Fixed with kubeflow/manifests#2087 (comment).