Resolving dependencies...
Starting     integer-logarithms-1.0.3
Starting     haskell-lexer-1.1
Starting     hashable-1.3.0.0
Starting     primitive-0.7.0.1
Building     integer-logarithms-1.0.3
Building     haskell-lexer-1.1
Building     hashable-1.3.0.0
Building     primitive-0.7.0.1
Completed    integer-logarithms-1.0.3
Completed    hashable-1.3.0.0
Completed    primitive-0.7.0.1
Starting     scientific-0.3.6.2
Starting     vector-0.12.1.2
Building     scientific-0.3.6.2
Building     vector-0.12.1.2
Completed    scientific-0.3.6.2
Starting     attoparsec-0.13.2.4
Building     attoparsec-0.13.2.4
Completed    haskell-lexer-1.1
Starting     pretty-show-1.10
Building     pretty-show-1.10
Completed    attoparsec-0.13.2.4
Completed    pretty-show-1.10
Completed    vector-0.12.1.2
Downloading  nix-derivation-1.1.1
Downloaded   nix-derivation-1.1.1
Starting     nix-derivation-1.1.1
Building     nix-derivation-1.1.1
Completed    nix-derivation-1.1.1