this derivation will be built:
  /nix/store/8491n64cf3r03j34gkqrj1dm6gz5j9pr-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/8491n64cf3r03j34gkqrj1dm6gz5j9pr-bcachefs-module-7.0.0-28-generic-64k.drv'...