these 5 derivations will be built:
  /nix/store/il0ai2y128bzb1ywnkbxnizms60l5nam-clan-runtime.drv
  /nix/store/0cl660ab4zza7css6sgxc8j9zi3am9nz-clan-cli-source.drv
  /nix/store/61lcz2pqlpy2is1nzzzq1xdkkmlr96n1-clan-cli.drv
  /nix/store/l34qxip0jzwxnbfywz5vs0phxnl21z3z-closure-info.drv
  /nix/store/56h13z55kz3j1dac5margps1mp6jvz1h-check-vars.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy