Resolving dependencies...
Starting     data-default-class-0.1.2.0
Starting     cabal-doctest-1.0.8
Starting     exceptions-0.10.4
Starting     primitive-0.7.0.1
Building     data-default-class-0.1.2.0
Building     exceptions-0.10.4
Building     cabal-doctest-1.0.8
Building     primitive-0.7.0.1
Completed    data-default-class-0.1.2.0
Starting     unliftio-core-0.2.0.1
Building     unliftio-core-0.2.0.1
Completed    cabal-doctest-1.0.8
Completed    unliftio-core-0.2.0.1
Completed    exceptions-0.10.4
Completed    primitive-0.7.0.1
Starting     atomic-primops-0.8.3
Starting     vector-0.12.1.2
Building     atomic-primops-0.8.3
Building     vector-0.12.1.2
Completed    atomic-primops-0.8.3
Starting     scheduler-1.4.2.2
Building     scheduler-1.4.2.2
Completed    scheduler-1.4.2.2
Completed    vector-0.12.1.2
Downloading  massiv-0.5.2.0
Downloaded   massiv-0.5.2.0
Starting     massiv-0.5.2.0
Building     massiv-0.5.2.0
Completed    massiv-0.5.2.0