this derivation will be built:
  /nix/store/qfv113z1c5hsyq2l27yh79dm5hmgv0z7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qfv113z1c5hsyq2l27yh79dm5hmgv0z7-bcachefs-module-7.0.0-39-generic.drv'...