files for packaging crane gps watch in NixOS

build.sh

source $stdenv/setup

PATH=$PATH
unpackFile $src
cd crane_gps_watch
./configure --prefix=$out
make
make install

cranegpswatch nix

{ stdenv, fetchgit, unzip, libxml2 }:

stdenv.mkDerivation rec {
  name = "crane-gps-watch";
  builder = ./builder.sh;
  src = fetchgit {
    url = "https://github.com/mru00/crane_gps_watch.git";
    sha256 = "0ji50yg85a114pdvw8k5jgfxq312frlxq67bazfaws9mkhnkpi9v";
  };
  
}

error ouput

[eddie@nixlaptop:~/nixpkgs]$ nix-build -A crane-gps-watch
these derivations will be built:
  /nix/store/7vlcvbx9qb9xbfgrwfyvl0npnkjhj87p-crane-gps-watch.drv
building path(s) ‘/nix/store/qm5l27szrhlqg5ayb721yxpgp79rcy7a-crane-gps-watch’
unpacking source archive /nix/store/j5agrlhld0xwpd8rl67aj1dypmbrf6f0-crane_gps_watch
./configure: line 1912: config.log: Permission denied
./configure: line 1922: config.log: Permission denied
builder for ‘/nix/store/7vlcvbx9qb9xbfgrwfyvl0npnkjhj87p-crane-gps-watch.drv’ failed with exit code 1
error: build of ‘/nix/store/7vlcvbx9qb9xbfgrwfyvl0npnkjhj87p-crane-gps-watch.drv’ failed