this derivation will be built:
  /nix/store/78f124v7zib31y8dqi4fdq1ilswwp9z2-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/78f124v7zib31y8dqi4fdq1ilswwp9z2-bcachefs-module-7.0.0-38-generic.drv'...