these 2 derivations will be built:
  /nix/store/0bm8ihdgpxambzav3gfmv0p3ypqz22r8-cargo-vendor-dir.drv
  /nix/store/jzyrcl0vh8za3hz26lvlcfxh669cs7l0-citiesapp-frontend.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy