machine:
  services:
    - docker

test:
  override:
    - docker build 6.2.1
    - docker build 6.2
    - docker build 6.1.1
    - docker build 6.1
    - docker build 6.0.1
    - docker build 6.0
    - docker build 5.3.6
    - docker build 5.3.5
    - docker build 5.3.4
    - docker build 5.3.3
    - docker build 5.3.2
    - docker build 5.3.1
    - docker build 5.3
    - docker build 5.2.1
    - docker build 5.2
    - docker build 5.1.3
    - docker build 5.1.2
    - docker build 6.2-onbuild
    - docker build 6.2-onbuild-test

machine:
  services:
    - docker

test:
  override:
    - docker build 6.2.1
    - docker build -t racket:6.2 6.2
    - docker build 6.1.1
    - docker build 6.1
    - docker build 6.0.1
    - docker build 6.0
    - docker build 5.3.6
    - docker build 5.3.5
    - docker build 5.3.4
    - docker build 5.3.3
    - docker build 5.3.2
    - docker build 5.3.1
    - docker build 5.3
    - docker build 5.2.1
    - docker build 5.2
    - docker build 5.1.3
    - docker build 5.1.2
    - docker build 6.2-onbuild
    - docker build 6.2-onbuild-test

Add tag for ONBUILD derivatives
Add tag for ONBUILD derivatives
