[BUG] CircleCI will always pass

### Summary
CircleCI never fail

### Actual behavior
Since the docker run instructions are wrapped inside a ```time``` command, the time command is always successful.

### Expected behavior
If the test fails, the error should be raised.

### How to replicate the behavior
https://circleci.com/gh/nipy/nipype/1852#tests/containers/2

### Platform details:
CircleCI
