these 2 derivations will be built:
  /nix/store/sj4c69s6vpcmkhk4cs12pjamdiimz7nj-closure-info.drv
  /nix/store/caw6c466zd1ysqflbi1gl4p85y2pbxcx-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