this derivation will be built:
  /nix/store/yc0v18qr69fhyw5h2cv4mq8sh769d03d-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/yc0v18qr69fhyw5h2cv4mq8sh769d03d-bcachefs-module-7.0.0-34-generic.drv'...