Sometimes one container, sometimes all 3.
circle.yml (Circle 1.0) - Just the relevant bits
machine:
node:
version: 6.9.1
The inferred step:
Downloading https://nodejs.org/dist/v6.9.1/node-v6.9.1-linux-x64.tar.xz...
######################################################################## 100.0%
Checksums do not match.
Binary download failed, trying source.
######################################################################## 100.0%
Checksums empty
gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
Binary download failed, trying source.
Detected that you have 32 CPU thread(s)
Set the number of jobs to 32 - 1 = 31 jobs to speed up the build
Installing node v1.0 and greater from source is not currently supported
nvm install 6.9.1 && nvm alias default 6.9.1 returned exit code 106
Action failed: set node.js version to 6.9.1
Some feature specs failing on 14.04 have kept us from bumping up at present, and we’re not ready to move this particular project to Circle 2.0 either (high complexity).