this derivation will be built:
  /nix/store/h97rvdly7a7lhq92sasvsyj1w7v9b1qh-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/h97rvdly7a7lhq92sasvsyj1w7v9b1qh-bcachefs-module-7.0.0-31-generic.drv'...