
These two steps seem to fail intermittently with exit code 1. It isn't clear to me why, or what the issue is. Adding the `--verbose` option, hoping to capture some debugging information which might aid stabilization. Also: I was unable to replicate the failure locally.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.