this derivation will be built:
  /nix/store/az8xh5lsf0x3jjlp27lb68qi142isqvl-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/az8xh5lsf0x3jjlp27lb68qi142isqvl-bcachefs-module-7.0.0-28-generic.drv'...