
Since 8180922d236c53b5e09cfe1b63f6c12977bb2803, the cjdns module imports from a derivation, which is very bad. It causes all of stdenv to be built at evaluation time. Since we have a hard 3600 second limit on Hydra evaluations, this was causing NixOS jobsets to time out. @joachifm
*** 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.