this derivation will be built:
  /nix/store/25mjyhlks6w8m0irm49l76wnv4x2k2xp-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/25mjyhlks6w8m0irm49l76wnv4x2k2xp-bcachefs-module-7.0.0-39-generic.drv'...