these 2 derivations will be built:
  /nix/store/qfcaa73w6hxls71y0lnw9paxymhmcd1a-mnemopi-memory-validate.drv
  /nix/store/i98fh907sqn2zvzjflp90293bksbpbc9-apps-build.drv
this path will be fetched (0.0 KiB download, 293.1 MiB unpacked):
  /nix/store/78nnsd1kgn5z2gy75zxj18zjiv87v9bf-omp-18.8.7