these 2 derivations will be built:
  /nix/store/0jy0hiviy8pqpz01fizaarng9pw8q2sr-claudebox.drv
  /nix/store/0qdv152ipir1bbhj49ggb6hb07b6azhi-check-claudebox.drv
building '/nix/store/0jy0hiviy8pqpz01fizaarng9pw8q2sr-claudebox.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0jy0hiviy8pqpz01fizaarng9pw8q2sr-claudebox.drv' on farm.numtide.com:50051
claudebox> mac02: building 0jy0hiviy8pqpz01fizaarng9pw8q2sr-claudebox.drv
building '/nix/store/0qdv152ipir1bbhj49ggb6hb07b6azhi-check-claudebox.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0qdv152ipir1bbhj49ggb6hb07b6azhi-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> mac02: building 0qdv152ipir1bbhj49ggb6hb07b6azhi-check-claudebox.drv