this derivation will be built:
  /nix/store/99478nhk0g5rgdbp0yv251hzq2j03zrk-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/99478nhk0g5rgdbp0yv251hzq2j03zrk-bcachefs-module-7.0.0-30-generic.drv'...