these 2 derivations will be built:
  /nix/store/2rhmg3jzxv5lkw44nsgp4dwfy8v60pl7-clan-runtime.drv
  /nix/store/a85c66001vxs5910pwdask651b01fr2k-clan.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy