NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11/MANIFEST strace-4.5.15 i686-linux /nix/store/0cmjzx7snr0wivnbwwfwnwl4cq00xvh2-strace-4.5.15.drv /nix/store/19agzkg6n1yx0gq6qdqibrs72gfxk4ry-strace-4.5.15