# Pastebin H2UfziCP
nix-build                                                   (master) pts/0 16:42:40
these derivations will be built:
  /nix/store/77r99pw3r6v8ywzy4mnl7qdx2d41kydi-haskell-demo-source-0.1.0.0.drv
  /nix/store/sb34fq0vb4w9ycmh8dpllhp7gax30ijj-haskell-demo-0.1.0.0.drv
building '/nix/store/77r99pw3r6v8ywzy4mnl7qdx2d41kydi-haskell-demo-source-0.1.0.0.drv'...
setupCompilerEnvironmentPhase
Build with /nix/store/n5i1zdpmk2b1s3z96649xh8f9kr3g96s-ghc-8.4.3.
ignoring (possibly broken) abi-depends field for packages
unpacking sources
unpacking source archive /nix/store/gwc85alp9s7dhlycl0p669g80ikjw0zx-Haskell-Demo
source root is Haskell-Demo
patching sources
compileBuildDriverPhase
setupCompileFlags: -package-db=/build/setup-package.conf.d -j8 -threaded
Loaded package environment from /build/Haskell-Demo/.ghc.environment.x86_64-linux-8.4.3
ghc: can't find a package database at /home/cmcdragonkai/.cabal/store/ghc-8.4.3/package.db
builder for '/nix/store/77r99pw3r6v8ywzy4mnl7qdx2d41kydi-haskell-demo-source-0.1.0.0.drv' failed with exit code 1
cannot build derivation '/nix/store/sb34fq0vb4w9ycmh8dpllhp7gax30ijj-haskell-demo-0.1.0.0.drv': 1 dependencies couldn't be built
error: build of '/nix/store/sb34fq0vb4w9ycmh8dpllhp7gax30ijj-haskell-demo-0.1.0.0.drv' failed