this derivation will be built:
  /nix/store/h72xjy21df3l904z43hjxxagcvyl5wbz-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/h72xjy21df3l904z43hjxxagcvyl5wbz-bcachefs-module-7.0.0-31-generic.drv'...