this derivation will be built:
  /nix/store/my17g048zjwsjx9s3diibwjjx6x7gnqi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/my17g048zjwsjx9s3diibwjjx6x7gnqi-bcachefs-module-7.0.0-39-generic.drv'...