these 5 derivations will be built:
  /nix/store/82z4j5x9j3drqzw0084dklq0bcky3jwa-clan-runtime.drv
  /nix/store/s7h5gak4vb7s7wbf2fwirjy77f85ywhn-clan-cli-source.drv
  /nix/store/cf9gr6b1lm2i7yqv621nkxrdwv72ywd6-clan-cli.drv
  /nix/store/40985g09236badj9r9nxnlglg92bb6vi-tofu.drv
  /nix/store/rk1qkd4c4shbv30hlqj89br4afvlfm8w-cache-new.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy