these 2 derivations will be built:
  /nix/store/6qp2n61iv575nix9liwh5gdxqk18shcr-mnemopi-memory-validate.drv
  /nix/store/rw6hx27f9d79573hl4ps3m8mna3bwld8-apps-build.drv
this path will be fetched (0.0 KiB download, 271.0 MiB unpacked):
  /nix/store/pvhf37mbkrrzlj91vm0hxm01rp8kqdr0-omp-18.9.2