Resolving dependencies...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Installed mtl-2.2.1
Downloading STMonadTrans-0.3.4...
Configuring STMonadTrans-0.3.4...
Building STMonadTrans-0.3.4...
Installed STMonadTrans-0.3.4