these 3 derivations will be built:
  /nix/store/vy5qvgv6rjis6zwk12q5ya7mg7wg9cpn-closure-info.drv
  /nix/store/wb9d4ln47p3d7pzx865c35mbzr18wrhx-clan-cli.drv
  /nix/store/i4l7qxlpzg6bvs7gy3mfzz7j06vrmazy-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy