this derivation will be built:
  /nix/store/lvyhrxjik15xp135qysxlb2fr3c5jfqx-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/lvyhrxjik15xp135qysxlb2fr3c5jfqx-bcachefs-module-7.0.0-39-generic.drv'...