pinned.log

gamble@nixos> cat nixpkgs-pinned.nix 
{ pkgs ? import <nixpkgs> {}, ...} :
let
  pinned_pkgs_path = pkgs.fetchFromGitHub {
    owner = "NixOS";
    repo = "nixpkgs";
    rev = "3fe7cddc304abb86e61a750a4f807270c7ca7825";
    sha256 = "13z9whcylsr76z3npc8v8hxalli6jz9h3jv5z4b97cli1kp9y04k";
  };
in
  import pinned_pkgs_path {}
gamble@nixos> nix-build -E '(import ./nixpkgs-pinned.nix {}).haskellPackages.postgrest'
these derivations will be built:
  /nix/store/n53i6va1rc1aakgyfha2l9958vlan553-postgrest-0.4.3.0.drv
building '/nix/store/n53i6va1rc1aakgyfha2l9958vlan553-postgrest-0.4.3.0.drv'...
setupCompilerEnvironmentPhase
Build with /nix/store/m74s3ylqgnpycnhaj1hxqax3xpx9l9z9-ghc-8.0.2.
unpacking sources
unpacking source archive /nix/store/1n8aw3v54q3w6w9pjcss0kjrrrr35zng-postgrest-0.4.3.0.tar.gz
source root is postgrest-0.4.3.0
setting SOURCE_DATE_EPOCH to timestamp 1504714141 of file postgrest-0.4.3.0/postgrest.cabal
patching sources
compileBuildDriverPhase
setupCompileFlags: -package-db=/build/package.conf.d -j1 -threaded
[1 of 1] Compiling Main             ( Setup.hs, /build/Main.o )
Linking Setup ...
configuring
configureFlags: --verbose --prefix=/nix/store/dqb3rwch1wd841vl621qhggi8089zz1c-postgrest-0.4.3.0 --libdir=$prefix/lib/$compiler --libsubdir=$pkgid --docdir=/nix/store/6q9i1f1v62bbna92x6y7xdp4d37l1kgl-postgrest-0.4.3.0-doc/share/doc --with-gcc=gcc --package-db=/build/package.conf.d --ghc-option=-optl=-Wl,-rpath=/nix/store/dqb3rwch1wd841vl621qhggi8089zz1c-postgrest-0.4.3.0/lib/ghc-8.0.2/postgrest-0.4.3.0 --ghc-option=-j1 --disable-split-objs --disable-library-profiling --disable-profiling --enable-shared --disable-coverage --enable-library-vanilla --enable-executable-dynamic --disable-tests --ghc-option=-split-sections
Configuring postgrest-0.4.3.0...
Setup: Encountered missing dependencies:
protolude >=0.2
builder for '/nix/store/n53i6va1rc1aakgyfha2l9958vlan553-postgrest-0.4.3.0.drv' failed with exit code 1
error: build of '/nix/store/n53i6va1rc1aakgyfha2l9958vlan553-postgrest-0.4.3.0.drv' failed