these 2 derivations will be built:
  /nix/store/c3w7izz27r18jha9kwwrmizawgsblk48-mnemopi-memory-validate.drv
  /nix/store/zrdyyyz47mf1n9h303xd1s9sfm58lny2-apps-build.drv
this path will be fetched (0.0 KiB download, 364.5 MiB unpacked):
  /nix/store/m9vvj91q12i3w2is6nmry4xxxi1jb270-omp-18.5.1