this derivation will be built:
  /nix/store/ck6hvrasr93hf6ib89nk334vlqd637ax-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/ck6hvrasr93hf6ib89nk334vlqd637ax-bcachefs-module-7.0.0-34-generic.drv'...