Sudo lxc-attach -n "$(docker inspect --format '{{.Id}}' $BUILD_NAME)" -- bash -c ./configure.sh lxc-attach: attach.c: lxc_attach: 713 failed to get the init pid

Looks like there are known issues with the aforementioned functionality and

- curl -sSL https://s3.amazonaws.com/circle-downloads/install-circleci-docker.sh | bash -s -- 1.10.0

as per this thread: Docker 1.10.0 is available.