these 2 derivations will be built:
  /nix/store/pzfmzj5n2vrq8cnlaihc08ip3z9xmlrl-mnemopi-memory-validate.drv
  /nix/store/5ygj85s91axa3fcl74bmyff9zr9gn3yw-apps-build.drv
this path will be fetched (0.0 KiB download, 262.6 MiB unpacked):
  /nix/store/f4p8wrm7ibw9hnrwfjb0spb7c6wrq7x4-omp-18.8.7