I'm also seeing this. Ubuntu 16.10 LXD/LXC 2.4.1 Mojo 0.4.1 (from stable PPA) Juju 2.0.2-yakkety-amd64 (from stable PPA)
Adding "build" to a manifest file, and creating a simple bash script names "build" is enough to trigger this behaviour. Removing the "build" step in the manifest allows Mojo to continue.
I'm also seeing this.
Ubuntu 16.10
LXD/LXC 2.4.1
Mojo 0.4.1 (from stable PPA)
Juju 2.0.2-yakkety-amd64 (from stable PPA)
Adding "build" to a manifest file, and creating a simple bash script names "build" is enough to trigger this behaviour.
Removing the "build" step in the manifest allows Mojo to continue.