these 3 derivations will be built:
  /nix/store/2vrkhi95nwbn5mn88n3s0hf9ha1jy9nk-formatelf-0.2.2.drv
  /nix/store/2llqy6dyhlxdg0qw231vnvfdic0ad93k-auto-formatelf-hook.drv
  /nix/store/2a45b69wwlmha0ayfz8n18r2kxpx4yzs-check-formatelf.drv