this derivation will be built:
  /nix/store/k13x1wdar92wjn1bcbqc00vcav7swgi9-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/k13x1wdar92wjn1bcbqc00vcav7swgi9-bcachefs-module-7.0.0-31-generic.drv'...