this derivation will be built:
  /nix/store/9cvsv17y7ychsdg4835fx4fi04ywkpjx-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9cvsv17y7ychsdg4835fx4fi04ywkpjx-bcachefs-module-7.0.0-39-generic.drv'...