this derivation will be built:
  /nix/store/9mcrhkrnmk5lglyxq2h1lrsvzbqcg7nm-vanixiets-docs-linkcheck-0.0.0-development.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy