these 2 derivations will be built:
  /nix/store/wzs8r6fwnv5yz0pn3khpq2684m0dnz5s-closure-info.drv
  /nix/store/hw8sgwilnxjndxq94rmprv3qj94wwlqm-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy