this derivation will be built:
  /nix/store/y4rrz3xpng367v091d6vv7rf4vkkc35k-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/y4rrz3xpng367v091d6vv7rf4vkkc35k-bcachefs-module-7.0.0-29-generic.drv'...