Unable to use "docker cp", but it worked 2 days ago

Build Environment
8

[Updated 17th Dec]

I just patched docker and pushed to our public download site. It looks docker cp is working now.

To use the patched version, you can put the following in your circle.yml. Please make sure to replace <version>.

Available versions:
1.8.2
1.8.3
1.9.0
1.9.1

machine:
  pre:
    - echo 'DOCKER_OPTS="-s btrfs -e lxc -D --userland-proxy=false"' | sudo tee -a /etc/default/docker
    - sudo curl -L -o /usr/bin/docker 'https://s3-external-1.amazonaws.com/circle-downloads/docker-<version>-circleci-cp-workaround'
    - sudo chmod 0755 /usr/bin/docker
  services:
    - docker

Please report us if you find any problems.

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