this derivation will be built:
  /nix/store/y7h6fdl6yphywm01b8qscmibnkmmwlki-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y7h6fdl6yphywm01b8qscmibnkmmwlki-bcachefs-module-7.0.0-39-generic.drv'...