this derivation will be built:
  /nix/store/p6r5yk7awim1q8fmdmlfxyica7nqbmvf-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/p6r5yk7awim1q8fmdmlfxyica7nqbmvf-bcachefs-module-7.0.0-39-generic.drv'...