Chutzpah build failure

build.log

psake version 4.2.0
Copyright (c) 2010 James Kovacs

Executing Clean-Solution-NoVS
Microsoft (R) Build Engine version 4.6.1586.0
[Microsoft .NET Framework, version 4.0.30319.42000]
Copyright (C) Microsoft Corporation. All rights reserved.

Executing Build-Solution-NoVS
Microsoft (R) Build Engine version 4.6.1586.0
[Microsoft .NET Framework, version 4.0.30319.42000]
Copyright (C) Microsoft Corporation. All rights reserved.

  
  
  ------------------------------------------------------------------------------
  
                 Total    Copied   Skipped  Mismatch    FAILED    Extras
      Dirs :       121       121       121         0         0         0
     Files :       235         0       235         0         0         0
     Bytes :    7.99 m         0    7.99 m         0         0         0
     Times :   0:00:00   0:00:00                       0:00:00   0:00:00
     Ended : 14 August 2016 14:53:19
  
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(1605,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Nancy". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(1605,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Nancy.Hosting.Self". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\Models\ChutzpahServerHost.cs(1,7): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancySettingsBootstrapper.cs(1,7): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancySettingsBootstrapper.cs(2,7): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancySettingsBootstrapper.cs(10,46): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancyRootPathProvider.cs(1,7): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancyRootPathProvider.cs(5,35): error CS0246: The type or namespace name 'IRootPathProvider' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\WebServerModule.cs(1,7): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\WebServerModule.cs(5,36): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\ChutzpahWebServerFactory.cs(3,7): error CS0246: The type or namespace name 'Nancy' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\Models\ChutzpahServerHost.cs(18,52): error CS0246: The type or namespace name 'NancyHost' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\Models\ChutzpahServerHost.cs(40,16): error CS0246: The type or namespace name 'NancyHost' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\Models\ChutzpahServerHost.cs(45,39): error CS0118: 'Chutzpah.Server.Models.ChutzpahWebServerHost.NancyHost' is a 'property' but is used like a 'type' [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancySettingsBootstrapper.cs(21,54): error CS0246: The type or namespace name 'NancyConventions' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
Server\NancySettingsBootstrapper.cs(36,28): error CS0246: The type or namespace name 'IRootPathProvider' could not be found (are you missing a using directive or an assembly reference?) [C:\Projects\chutzpah\Chutzpah\Chutzpah.csproj]
14/08/2016 14:53:19: An Error Occurred: 
Exec: Error executing command  msbuild Chutzpah.NoVS.sln /maxcpucount /t:Build 
/v:Minimal /p:Configuration=$configuration .
At C:\Projects\chutzpah\packages\psake.4.2.0.1\Tools\psake.psm1:139 char:9
+         throw ("Exec: " + $errorMessage)
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OperationStopped: (Exec: Error exe...configurati 
   on .:String) [], RuntimeException
    + FullyQualifiedErrorId : Exec: Error executing command  msbuild Chutzpah. 
   NoVS.sln /maxcpucount /t:Build /v:Minimal /p:Configuration=$configuration   
  .