these 5 derivations will be built:
  /nix/store/6qb1l09sf37cayv6ll0z48lp9nblr23h-clan-runtime.drv
  /nix/store/gimhq6ilmqfrksp5r1ic9vzih4d91g2a-clan-cli-source.drv
  /nix/store/slg7zp2nn8r9q7k7yl1aw3i8s3x6xhl0-clan-cli.drv
  /nix/store/vwly923adlkiwi30yw8s91ckrpzyk95x-tofu.drv
  /nix/store/vcjhml465c81168xzv9lb17irdv5laf4-cache-new.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy