Resolving dependencies...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Installed mtl-2.2.1
Downloading STMonadTrans-0.4.2...
Configuring STMonadTrans-0.4.2...
Building STMonadTrans-0.4.2...
Installed STMonadTrans-0.4.2