Warning: The install command is a part of the legacy v1 style of cabal usage. Please switch to using either the new project style and the new-install command or the legacy v1-install alias as new-style projects will become the default in the next version of cabal-install. Please file a bug if you cannot replicate a working v1- use case with the new-style commands. For more information, see: https://wiki.haskell.org/Cabal/NewBuild Resolving dependencies... Starting cabal-doctest-1.0.8 Starting StateVar-1.2 Starting base-orphans-0.8.1 Starting leancheck-0.9.1 Building StateVar-1.2 Building cabal-doctest-1.0.8 Building base-orphans-0.8.1 Building leancheck-0.9.1 Completed base-orphans-0.8.1 Starting primitive-0.7.0.0 Completed StateVar-1.2 Starting random-1.1 Building primitive-0.7.0.0 Building random-1.1 Completed cabal-doctest-1.0.8 Starting tagged-0.8.6 Building tagged-0.8.6 Completed random-1.1 Starting th-abstraction-0.3.1.0 Building th-abstraction-0.3.1.0 Completed tagged-0.8.6 Starting transformers-compat-0.6.5 Building transformers-compat-0.6.5 Completed transformers-compat-0.6.5 Starting contravariant-1.5.2 Building contravariant-1.5.2 Completed th-abstraction-0.3.1.0 Starting distributive-0.6.1 Completed leancheck-0.9.1 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Building distributive-0.6.1 Completed contravariant-1.5.2 Starting exceptions-0.10.3 Building exceptions-0.10.3 Completed primitive-0.7.0.0 Starting atomic-primops-0.8.3 Completed transformers-base-0.4.5.2 Starting monad-control-1.0.2.3 Building atomic-primops-0.8.3 Building monad-control-1.0.2.3 Completed distributive-0.6.1 Starting comonad-5.0.5 Completed atomic-primops-0.8.3 Completed monad-control-1.0.2.3 Completed exceptions-0.10.3 Downloading concurrency-1.8.0.0 Downloaded concurrency-1.8.0.0 Starting concurrency-1.8.0.0 Building comonad-5.0.5 Building concurrency-1.8.0.0 Completed comonad-5.0.5 Starting bifunctors-5.5.5 Building bifunctors-5.5.5 Completed concurrency-1.8.0.0 Completed bifunctors-5.5.5 Starting profunctors-5.5 Building profunctors-5.5 Completed profunctors-5.5 Downloading dejafu-2.1.0.1 Downloaded dejafu-2.1.0.1 Starting dejafu-2.1.0.1 Building dejafu-2.1.0.1 Completed dejafu-2.1.0.1