grahamc/hydra2 - Change IE6AMEHDUZV2AJOHC2O6SGB4ECG5ZVR5EO7VGM2I3VA4TV2MPRWAC

fix hydra build on nixpkgs master

copied from https://github.com/NixOS/nixpkgs/commit/c5019585354291686e7b8c6a263336782d9de814

Created by Michael Bishop on September 10, 2018

IE6AMEHDUZV2AJOHC2O6SGB4ECG5ZVR5EO7VGM2I3VA4TV2MPRWAC

Dependencies

In channels

main

Change contents

Insertion in release.nix at line 78 [3.1]
[2.1705]
[2.1705]
```
            JSON
```